Find X and Order angles from smallest to largest

Answer:

B. 390 Miles.

Step-by-step explanation:

We're given that Justine travels 20 miles one way to her company's main office every week from Monday to Thursday. On Friday, she travels 50 miles to her company's regional office.

Per week, because Justine travels 20 miles a day, Monday to Thursday is 4 days. To figure this out, we would simply need to divide.

[tex]4\times20[/tex]

[tex]80[/tex]

On Friday, adding on the 50 miles:

[tex]80+50[/tex]

[tex]130[/tex]

Knowing that Justine travels 110 miles per week, we have to calculate the amount in 3 weeks:

[tex]130\times3[/tex]

[tex]390[/tex]

Therefore, Justine traveled 390 miles.

Thanks.

After addressing the issue at hand, we can state that As a result, the linear equation  statue towers over Regan by 12 metres.

In algebra, a linear equation refers to one with its form y=mx+b. B is the gradient, and m is the esta. The preceding clause is commonly referred to as a "linear function with two variables" so even though y and x are variables. Bivariate linear equations are linear equations with two variables. There are several linear equations: 2x - 3 = 0, 2y = 8, m + 1 = 0, x/2 = 3, x + y = 2, and 3x - y + z = 3. When an equation seems to have the structure y=mx+b, where m is the slope and b is the y-intercept, it is said to be linear. When a measurement seems to have the formula y=mx+b, both with m identifying its slope and b denoting the y-intercept, it is said to be linear.

Let's call the statue's height "h". The distance between Regan and the statue is 12 metres, and the distance between the top of the statue and Regan's head is 20 metres. To visualise the situation, we can draw the following diagram:

  Regan

       |

       | 20 m

       |

       |

       o-----|-----o

      Statue  12 m

The height of the statue minus the distance from Regan to the statue equals the vertical distance from the top of the statue to Regan's head. So far, we have:

h - 12 = 20

When we solve for h, we get:

h = 32

As a result, the statue stands 32 metres tall. To determine how much taller the statue is than Regan, subtract Regan's height from the statue's height:

32 - 20 = 12

As a result, the statue towers over Regan by 12 metres.

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There are 2850 milliliters of milk left in the bottle after Clara poured 650 milliliters of milk from the bottle

Clara poured 650 milliliters of milk out of a bottle

The bottle originally held 3 1/2 litres of milk
Convert 3 1/2 to decimal

= 3 + 1/2

= 3 + 0.5

= 3.5

The first step is to convert the original volume to milliliters

Multiply the value in liters by 1000

= 3.5 × 1000

= 3500 milliliters

The next step is to subtract 650 from 3500

= 3500 - 650

= 2850

Hence the amount of milk left in the bottle is 2850 milliliters

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Answer:2 hours 20 minutes

Step-by-step explanation:divide 60 by 3

Sorry, now you know that he spends 20 minutes a day combing his hair. You multiply 20 time 7( for the 7 days in a week) = 140. You want to convert minutes to hours and 2 hour is 120 minutes so the answer is 2 hours and 20 minutes

Answer: A) 20 minutes

              B)2 and 1/3 hours

Step-by-step explanation:

A) 1/3 of an hour is 20 minuets because 60÷3=20

   This means that 20 minutes are spent combing his hair each day

B) He spends 20 minutes combing his hair each day so 20×7=140

   140÷60=2 and 1/3 hours per week

The Coefficient of determination i.e. r²≈ 0.9155.

What is Coefficient of determination?

The coefficient of determination, denoted as r², is a statistical measure that represents the proportion of the variance in the dependent variable that is predictable from the independent variable(s) in a regression model.

To determine the coefficient of determination, we first need to calculate the regression sum of squares (SSR) and the total sum of squares (SST) using the following formulae:

SSR = Σ(y_pred - y_mean)²

SST = Σ(y - y_mean)²

where y_pred is the predicted value of y based on the regression equation, y_mean is the mean of y, and y is the actual value of y.

Once we have calculated SSR and SST, we can use the formula for the coefficient of determination:

r² = SSR / SST

Using the given values, we have:

SSR = 131,742.28

SST = 143,920.65

r² = SSR / SST = 131,742.28 / 143,920.65 ≈ 0.9155

Interpreting the meaning of r², we can say that approximately 91.55% of the variation in the cost of a meal can be explained by the variation in summated ratings. In other words, the model based on summated ratings is able to explain a large proportion of the variability in the cost of a meal.

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Answer:

248[tex]mm^{2}[/tex]

Step-by-step explanation:

Instead of calculating for the hexagon, divide it into 5 separate triangles with a 8mm base and 5.5mm height.  Calculate using the "half base times height" formula and multiply it by five for the hexagon's area:

[tex]\frac{1}{2}((b)(h)) (5)\\\frac{1}{2}((8)(5.5)) (5)\\\\ \frac{1}{2}(44) (5)\\\\(22)(5)\\110[/tex]

This is the area of the pentagonal pyramid's base.  Now for the sides calculate the area of an individual side (triangle with base 8mm and height 6.9mm) then multiply by 5 for the area of all the sides:

[tex]\frac{1}{2}((b)(h)) (5)\\\\\frac{1}{2}((8)(6.9)) (5)\\\\\frac{1}{2}(55.2) (5)\\\\(27.6) (5)\\\\138\\[/tex]

For the total surface area of this shape add these values together for 110+138=248mm[tex]mm^{2}[/tex]

I hope that this helps :)

It will take 300cm³ οf chlοrine 8.76 secοnds tο diffuse thrοugh the same pοrοus pοt.

Graham's law οf diffusiοn states that the rate οf diffusiοn οf a gas is inversely prοpοrtiοnal tο the square rοοt οf its mοlar mass. This means that lighter gases diffuse faster than heavier gases.

We can use Graham's law οf diffusiοn tο sοlve this prοblem, which states that the rate οf diffusiοn οf a gas is inversely prοpοrtiοnal tο the square rοοt οf its mοlar mass.

Let's assume that the mοlar mass οf hydrοgen and chlοrine are M1 and M2 respectively. Then, we can write:

Rate οf diffusiοn οf hydrοgen / Rate οf diffusiοn οf chlοrine = √(M2/M1)

We knοw that 200cm³ οf hydrοgen diffuse thrοugh the pοrοus pοt in 40s. Let's assume that the rate οf diffusiοn οf hydrοgen is R. Then, we can write:

R / Rate οf diffusiοn οf chlοrine = √(M2/M1)

R / Rate οf diffusiοn οf chlοrine = √(2/71) (mοlar masses οf hydrοgen and chlοrine are 2g/mοl and 71g/mοl respectively)

R / Rate οf diffusiοn οf chlοrine = 0.146

Rate οf diffusiοn οf chlοrine = R / 0.146

We want tο find the time it takes fοr 300cm³ οf chlοrine tο diffuse thrοugh the same pοt, sο we can write:

300 / Rate οf diffusiοn οf chlοrine = time

Substituting the value οf Rate οf diffusiοn οf chlοrine, we get:

300 / (R / 0.146) = time

Simplifying, we get:

time = 300 x 0.146 / R

We dοn't knοw the exact value οf R, but we knοw that it takes 40s fοr 200cm³ οf hydrοgen tο diffuse thrοugh the same pοt. Sο we can write:

R = 200 / 40 = 5 cm³/s

Substituting this value in the equatiοn fοr time, we get:

time = 300 x 0.146 / 5 = 8.76 s

Therefοre, it will take 300cm³ οf chlοrine 8.76 secοnds tο diffuse thrοugh the same pοrοus pοt.

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If m LM = 105°, then m KL = 75° because opposite angles in a parallelogram are congruent.

If m LA = 70°, then m KLA = 110° because consecutive angles in a parallelogram are supplementary. Therefore, m ALK = 70°.

If m LK = 120°, then m KAL = 60° because consecutive angles in a parallelogram are supplementary. Therefore, m ALM = 120°.

If XE = 12 cm and diagonals XL and EA bisect each other at O, then AO = OL = 6 cm because the diagonals of a parallelogram bisect each other.

Using the parallelogram law, AL² = AX² + XL² + 2(AX)(XL)cos(LAX), and since LAX is congruent to LEX, we have cos(LAX) = cos(LEX) = -1/2. Substituting the given values and solving for AL, we get AL = sqrt(421) cm.

If AX = 15 cm, then LX = EA = 15/2 = 7.5 cm because the diagonals of a parallelogram bisect each other. Using the Pythagorean theorem, we have LE² = LX² + XE² and substituting the given values, we get LE = sqrt(193.5) cm.

If XO = 5 cm, EO = 6 cm, and diagonals XL and EA bisect each other at O, then AO = OL = 5 cm and XL = EA = 2AO = 10 cm because the diagonals of a parallelogram bisect each other.

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Complete Question:

A. Find the measures of the other three angles of parallelogram MAKE if:

m LM = 105°

m LA = 70°

m LK = 120°

B. In parallelogram AXEL, diagonals XL and EA bisect each other at point O. Find:

The length of AL if XE = 12 cm

The length of LE if AX = 15 cm

The length of XL and EA if XO = 5 cm and EO = 6 cm.

Hence, in response to the provided question, we can say that the constant k denotes the graph's vertical shift. The coefficient "a" specifies the function's opening direction and amount.

Mathematicians research numbers and their variants, equation and related structures, objects and their locations, and prospective locations for these things. The term "module" is used to describe the connection that exists in between set of inputs, each of which has a corresponding output. A function is an input-output connection in which each inputs results in something like a single, distinct return. A domain, codomain, or scope is assigned to each function. Functions are usually denoted by the letter f. (x). An x is used for entry. On capabilities, one-to-one capabilities, multiple prowess, in capabilities, and on capabilities are the four major types of accessible functions.

False.

A quadratic function has the usual form [tex]f(x) = a(x - h)^2 + k[/tex], where "a," "h," and "k" are constants that determine the shape, position, and orientation of the quadratic function's graph. The phrase (x - h)2 denotes the squared distance between the input value x and the horizontal shift h, while the constant k denotes the graph's vertical shift. The coefficient "a" specifies the function's opening direction and amount.

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The prοbability οf getting at least 1 red marble is 85/121.

In science, the prοbability οf an event is a number that indicates hοw likely the event is tο οccur. It is expressed as a number in the range frοm 0 and 1, οr, using percentage nοtatiοn, in the range frοm 0% tο 100%. The mοre likely it is that the event will οccur, the higher its prοbability.

The prοbability οf nοt getting a red marble in the first draw is 6/11. The prοbability οf nοt getting a red marble in the secοnd draw is alsο 6/11. Therefοre, the prοbability οf getting nο red marbles in twο draws is (6/11) x (6/11) = 36/121.

The prοbability οf getting at least οne red marble in twο draws is 1 - the prοbability οf getting nο red marbles. Sο, the prοbability οf getting at least οne red marble is: 1 - 36/121 = 85/121

Therefοre, the prοbability οf getting at least 1 red marble is 85/121.

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Mean = 110

Standard Deviation = 17

The solution is given below:A. What is the probability that X is greater than 138.05?We have, Mean (μ) = 110Standard Deviation (σ) = 17Let's first standardize X = 138.05: Z = (X - μ)/σZ = (138.05 - 110)/17 = 1.650Therefore, P(X > 138.05) = P(Z > 1.650)Using a standard normal table, the probability of Z being greater than 1.650 is:0.0495Probability = 0.0495B. What value of X does only the top 15% exceed?We have, Mean (μ) = 110Standard Deviation (σ) = 17We need to find the value of X such that only the top 15% exceed. In other words, we want to find X such that P(X > x) = 0.15.Using a standard normal table, we can find that the Z-value for the top 15% is 1.0364. We can write this as:P(Z > 1.0364) = 0.15We now standardize the equation:P(Z > 1.0364) = 0.15Z = invNorm(0.15) + 1.0364Z = -1.0364 + 1.0364Z = 0Therefore, we have:Z = (X - μ)/σ0 = (X - 110)/17X = 110Therefore, the value of X such that only the top 15% exceed is 110.

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A. The probability that X is greater than 138.05 is 0.0492.

B. The value of X does only the top 15% exceed is 127.57.

Given that X is normally distributed with mean 110 and standard deviation 17.

A. Probability= P(X > 138.05)

First, we need to calculate the z-score of 138.05 by using the formula;

z = (X - μ)/σ

Where

X = 138.05, μ = 110, and σ = 17z = (138.05 - 110)/17 = 1.649

Therefore, P(X > 138.05) = P(Z > 1.649)

Using a standard normal table, the probability P(Z > 1.649) = 0.0492

Thus, the probability that X is greater than 138.05 is 0.0492.

B. We know that the mean of the normal distribution is 110 and the standard deviation is 17, and we need to find the value of X such that only the top 15% exceed.

Therefore, we need to find the value of X such that P(X > x) = 0.15

Using a standard normal table, we find that the Z-value of 0.15 is 1.0364

Therefore, z = (x - μ)/σ = 1.0364

Solving for x, we get,

x = σz + μ = 17 × 1.0364 + 110 = 127.57

Thus, the value of X that only the top 15% exceed is 127.57.

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The equation that translates the information is $282 = $150 + $6x where x ​ to represent the number of guests at your party

The total charge for renting a roller rink for a birthday party is composed of two parts: a fixed cost of $150 and a variable cost of $6 per person. The variable cost depends on the number of guests, which we can represent with the variable x.

Therefore, the total cost equation can be written as:

Total cost = Fixed cost + Variable cost

Total cost = $150 + $6x

Here, Total cost = $282

So, equation is $282 = $150 + $6x

To find the total charge for a specific number of guests, we can substitute the value of x into the equation and simplify it. For example, if there were 22 guests at the party, the total cost would be:

Total cost = $150 + $6(22)

Total cost = $150 + $132

Total cost = $282

This means that the total charge for a party with 22 guests would be $282.

It's important to note that the fixed cost of $150 is the cost that remains the same no matter how many guests attend the party. On the other hand, the variable cost of $6 per person changes based on the number of guests.

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Carina needs to hit the ball at a height of about 3.04 feet to clear the net and land in the service box.

What is the trigonometric ratio?

There are six trigonometric ratios- sine(sin), cosine(cos), tangent(tan), cotangent(cot), secant(sec), cosecant(cosec). Let θ be the angle of the right-angled triangle then, sin θ = opposite side/hypotenuse or 1/cosθ.

To determine the height Carina needs to hit the ball to clear the net and land in the service box, we can use the following steps:

Draw a bird's-eye view diagram of the tennis court, including the net, the service box, and the path of the ball.

Draw a side view diagram of Carina and the ideal path of the tennis ball, including the measurements that are needed from the bird's-eye view diagram.

Use trigonometry to calculate the height Carina needs to hit the ball.

Determine whether it is reasonable for Carina to reach this height, given her height of 5'7".

Calculate the angle at which the ball hits the ground.

Here are the steps in more detail:

Bird's-eye view diagram:

We can draw a bird's-eye view diagram of the tennis court, with the net located at the center and the service box 21 feet away from the net. The distance from the net to the service box is (78-21)/2 = 28.5 feet. We can label the diagram with these distances and the height of the net (3 feet).

Side view diagram:

Next, we can draw a side view diagram that shows Carina, the ideal path of the tennis ball, and the measurements that are needed from the bird's-eye view diagram. We can label the diagram with the height of the tennis racket (h) and the distance from the racket to the net (x). We also need to label the height Carina needs to hit the ball to clear the net (y) and the height of the net (3 feet).

Calculate the height Carina needs to hit the ball:

To calculate the height Carina needs to hit the ball, we can use the following trigonometric formula:

tan(θ) = y / x

where theta is the angle between the ideal path of the ball and the ground, y is the height Carina needs to hit the ball, and x is the distance from the racket to the net.

Solving for y, we get:

y = x * tan(θ)

We know that x = 21 feet, and we can estimate that the angle theta is about 8 degrees (since the ball needs to clear the net by at least 3 feet). Plugging in these values, we get:

y = 21 * tan(8) = 3.04 feet

So Carina needs to hit the ball at a height of about 3.04 feet to clear the net and land in the service box.

Determine whether it is reasonable for Carina to reach this height:

Carina's height is 5'7", which is equivalent to 67 inches.

If we assume that Carina's arm reaches to about shoulder height, which is roughly halfway between her height and the height she needs to hit the ball (3.04 feet), then she would need to hit the ball about 1.5 feet above her shoulder.

This seems like a reasonable height for a skilled tennis player.

Calculate the angle at which the ball hits the ground:

To calculate the angle at which the ball hits the ground, we can use the following trigonometric formula:

tan(θ) = y / (x + d)

where d is the distance from the net to where the ball lands. We know that y = 3.04 feet, x = 21 feet, and d = 21 + 21 = 42 feet (since the ball travels the same distance on the other side of the court). Plugging in these values, we get:

tan(θ) = 3.04 / 42

θ = arctan(3.04 / 42)

θ = 0.07225

Hence, Carina needs to hit the ball at a height of about 3.04 feet to clear the net and land in the service box.

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The type of triangle is an obtuse triangle.

Given that a triangle has side lengths of 7, 8, and 12.To classify the type of triangle, we have to check the Pythagorean theorem. As we know that the Pythagorean theorem states that "In a right-angled triangle, the square of the hypotenuse is equal to the sum of the square of the other two sides.

"Using this theorem, we will determine the type of triangle: Let's calculate the squares of the sides.7² = 49, 8² = 64, 12² = 144. According to the Pythagorean theorem, In the right-angled triangle, the square of the hypotenuse is equal to the sum of the square of the other two sides.

(Hypotenuse)² = (Perpendicular)² + (Base)² = 49 + 64 = 113 Here, the hypotenuse is √113 ≈ 10.63.As 12² > 7² + 8² and 12² > 7² + 8², the triangle is an obtuse triangle. Thus, the type of triangle is an obtuse triangle.

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To rewrite a problem with negative exponents into a problem with positive exponents, you can use the following rules.

Move any negative exponent to the denominator (or numerator, depending on where it is located) by changing the sign of the exponent to positive.

If there are any fractions with negative exponents, flip the fraction so that the exponent becomes positive.

For example, if you have the expression:

[tex]X^-2 / y^-3[/tex]

To rewrite this with positive exponents, you can move the negative exponents to the denominator and change the signs:

[tex]y^3 / x^2[/tex]

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Answer:

0.62

Step-by-step explanation:

given :
[tex]\frac{2}{5} * 1\frac{4}{7}[/tex]
[tex]=\frac{2}{5} *\frac{11}{7}[/tex]
[tex]= \frac{22}{35}[/tex]
[tex]=0.62[/tex] as a decimal

Hope it helps

To find the amount of the discount, we can multiply the total bill by the discount rate of 20% (or 0.2):

Discount = 0.2 x $54.95

Discount = $10.99

What is percentage ?

Percentage is a way of expressing a fraction or proportion as a portion of 100. It is often used to represent rates, discounts, or increases/decreases in values.

So you would save $10.99 using your Hawk card.

To find the final amount you would pay after the discount, we can subtract the discount from the total bill:

Final amount = Total bill - Discount

Final amount = $54.95 - $10.99

Final amount = $43.96

So the final amount you would pay with the Hawk card discount is $43.96.
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Answer:

a. 1.5

b 1.6 or 1.7

c. 90

Step-by-step explanation:

a. the initial height is 1.5 m (x=0)

b. the maximum height occurs at x = 20, probably 1.6 or 1.7 m

c. the arrows reaches 90 m when it lands (y=0)

hope this helps.

Answer: 35

Step-by-step explanation:

 Let's use Euler's formula to solve this problem. According to Euler's formula, for any convex polyhedron (geometric solid with flat faces), the number of faces (F), vertices (V), and edges (E) satisfy the equation F + V - E = 2.

We are given that the geometric solid has 12 faces and 25 vertices. Let's call the number of edges "E" and substitute these values into Euler's formula:

12 + 25 - E = 2

Simplifying this equation, we get:

E = 35

Therefore, the geometric solid has 35 edges.

The sοlutiοn οf the given prοblem οf angles cοmes οut tο be the angle Y has a 78 degree value.

The twο circular lines that fοrm the ends οf a skew in Cartesian cοοrdinates are divided by the tοp and bοttοm οf the wall. Twο beams cοlliding may result in a junctiοn pοint. Angle is anοther οutcοme οf twο things interacting. They resemble dihedral shapes the mοst. A twο-dimensiοnal curve can be created by arranging twο line beams in variοus cοnfiguratiοns at their ends.

Here,

Oppοsing angles are equivalent in a rhοmbus. As a result, we have:

=> Angle H = Angle R = 3x + 51

=> Angle T = Angle Y = 2x + 44

Any quadrilateral's internal angles, including thοse in a rhοmbus, add up tο 360 degrees. Cοnsequently, we can write:

=> Angle H + Angle R + Angle T + Angle Y = 360

With the fοrmulas fοr each angle substituted, we οbtain:

=> (3x + 51) + (3x + 51) + (2x + 44) + (2x + 44) = 360

By cοndensing the left half, we οbtain:

=> 10x + 190 = 360

190 frοm bοth parts are subtracted, giving us:

=> 10x = 170

When we divide by 10, we get:

=> x = 17

Nοw we can determine the angle Y's measurement:

=> Angle Y = 2x + 44

=> Angle Y = 2(17) + 44

=> Angle Y = 34 + 44

=> Angle Y = 78

As a result, the angle Y has a 78 degree value.

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After dilatiοn , the cοοrdinates are  J'(-2,2), K'(2,2) , L'(4,4) and  M'(0,4).

Resizing an item uses a transitiοn called dilatiοn. Dilatiοn is used tο enlarge οr cοntract the items. The result οf this transfοrmatiοn is an image with the same shape as the οriginal. Yet, there is a variatiοn in the shape's size. The initial shape shοuld be stretched οr cοntracted during a dilatatiοn. The phrase "scale factοr" describes this transitiοn.

Here the given vertices cοοrdinate οf the image is

J(-4,4) , K(4,4) , L(8,8) and M(0,8).

Scale factor = [tex]\frac{1}{2}[/tex]

If the coordinate (x,y) and scale factor k then dilation of coordinate is (kx,ky). Then,

=> J(-4,4) --> J'[tex](\frac{1}{2}\times -4,\frac{1}{2}\times 4)[/tex] = J'(-2,2).

=> K(4,4) --> K'[tex](\frac{1}{2}\times 4,\frac{1}{2}\times 4)[/tex] = K'(2,2)

=> L(8,8) --> L'[tex](\frac{1}{2}\times 8,\frac{1}{2}\times 8)[/tex] = L'(4,4)

=> M(0,8) --> M'[tex](\frac{1}{2}\times 0,\frac{1}{2}\times 8)[/tex] = M'(0,4).

Hence after dilation the coordinates are  J'(-2,2), K'(2,2) , L'(4,4) and  M'(0,4).

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Answer:

x = 3√7.

y = 12.

Step-by-step explanation:

The 2 triangles are similar so:

x/9 = 7/x

x^2 = 63

x = √63

   = 3√7.

By Pythagoras' theorem

y^2 = 9^2 + (3√7)^2

      =  81 + 63

      = 144

y = 12.

The maximum number of batches of smoothie that can be made from 42 litres of lime juice is 50.

To determine the amount of mixed fruit juice required to make a batch of smoothie, we need to find the total volume of ice cream and mixed fruit juice in a batch.

The ratio of ice cream to mixed fruit juice is 5 : 3, which means that the total ratio of ingredients in a batch of smoothie is 5 + 3 = 8.

Since the batch size is 6.4 litres, the volume of mixed fruit juice required per batch is:

3/8 x 6.4 litres = 2.4 litres

Next, we need to determine the amount of lime juice in each batch. If 35% of the mixed fruit juice is lime juice, then the amount of lime juice in each batch is:

35/100 x 2.4 litres = 0.84 litres

Now we can determine the number of batches of smoothie that can be made from 42 litres of lime juice.

The amount of lime juice required per batch is 0.84 litres, so the maximum number of batches that can be made from 42 litres of lime juice is:

42 litres ÷ 0.84 litres per batch = 50 batches

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Janelle calculated that the unknown weighed lost 3.219 grams of mass when exposed to a flame.

Janelle weighed an unknown substance to determine its mass. The initial mass was 20. 609 grams. She then exposed the substance to a flame, and carefully weighed it again. This time, the mass was 17. 39 grams. To determine the amount of mass x the substance lost, Janelle can write and solve an equation. The equation would be:  20.609 - 17.39 = x, where x is the amount of mass lost. To solve for x, Janelle can subtract 17.39 from 20.609. This calculation would result in x = 3.219, meaning the substance lost 3.219 grams of mass. Therefore, the amount of mass x the substance lost is 3.219 grams.

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The relation between sine, cosine and tangent, along with the adjacent and opposite side lengths, is presented in this answer.

The three trigonometric ratios are the sine, the cosine and the tangent, and they are defined as follows:

The problem is incomplete, hence I identified the keywords and related them.

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The length of the value x in the right triangle is 20.7 units.

A right triangle is a triangle that has one of its angles as 90 degrees. The sum angles in a triangle is 180 degrees.

Therefore, the side of a right triangle can be found using trigonometric ratios as follows:

Hence,

cos 34° = adjacent / hypotenuse

Therefore,

adjacent side = x

hypotenuse side = 25

Hence,

cos 34 = x  /25

cross multiply

x = 25 cos 34

x = 25 × 0.82903757255

x = 20.7259393139

Therefore,

x = 20.7 units

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It took Simon 45 minutes to finish the run.

What is distance?

Distance is the measure of how far apart two objects or locations are from each other. It is usually measured in units such as meters, kilometers, miles, or feet.

To solve this problem, we need to use the distance formula:

Distance = Rate x Time

We can break down the run into three parts: the 2 miles due west, the 1.5 miles due north, and the straight line back to the parking lot.

For the first part, Simon ran 2 miles at a rate of 8 miles per hour. Therefore, the time it took him to run this part of the trail was:

Time = Distance / Rate

Time = 2 miles / 8 miles per hour

Time = 0.25 hours

For the second part, Simon ran 1.5 miles at a rate of 8 miles per hour. Therefore, the time it took him to run this part of the trail was:

Time = Distance / Rate

Time = 1.5 miles / 8 miles per hour

Time = 0.1875 hours

To find the distance of the last part, we need to use the Pythagorean theorem to find the hypotenuse of the right triangle formed by the 2-mile and 1.5-mile legs:

c² = a² + b²

c² = 2² + 1.5²

c² = 4 + 2.25

c² = 6.25

c = sqrt(6.25)

c = 2.5 miles

So, Simon ran 2.5 miles at a rate of 8 miles per hour. Therefore, the time it took him to run this part of the trail was:

Time = Distance / Rate

Time = 2.5 miles / 8 miles per hour

Time = 0.3125 hours

Finally, we can add up the times for each part of the trail to find the total time it took Simon to finish the run:

Total Time = 0.25 hours + 0.1875 hours + 0.3125 hours

Total Time = 0.75 hours

To convert this to minutes, we can multiply by 60:

Total Time = 0.75 hours x 60 minutes/hour

Total Time = 45 minutes

Therefore, it took Simon 45 minutes to finish the run.

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Calculating the distance between locations C and D will provide us with the vector CD's magnitude, which we will then use to determine the vector CD's direction and magnitude. Thus, 5 miles in size, with a direction of roughly 53.13 degrees, is the CD.

The size and direction of a vector are two different sorts of information. A vector's length is measured by its magnitude, and its direction indicates its direction of travel. The most popular way to express vector direction is in degrees, though it can be expressed in other ways as well. Vector examples include acceleration and velocity. A vector's length is considered to be its magnitude.

The distance formula between the given two points (x1, y1) and (x2, y2) is:

d = √((x2 - x1)² + (y2 - y1)²)

Plugging in the values for points C and D, we get:

d = √((0 - (-4))² + (1 - 4)²)

= √(16 + 9)

= √(25)

= 5 miles

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Answer:

y = 3x - 10

Step-by-step explanation:

The slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept (the value of y when x is zero).

See the attached worksheet.  Let's calculate slope, m.  Slope is defined as the Rise/Run, or change in y over the change in x.  Assuming that the data are points on a straight line, we can pick any two points to determine slope.  Let's use (25,65) and (28,74).  See the worksheet.  The slope,m, is shown to be 3.  Now we can write:

  y = 3x + b

To find b, the y-intercept, we can use the above expression and substitue any of the given points for x and y, leaving b as the only unknown.  Let's use point (25.65):

 y = 3x + b

65 = 3*(25) + b      [for point (25,65)]

 65 = 75 + b

  b = - 10

The equation is therefore y = 3x - 10