how do i solve 7/9 +8 1/4 fraction​

The value of f(15) is approximately 346.42.

An exponential function is a mathematical function of the form f(x) = abˣ, where a and b are constant and b is greater than zero and not equal to 1. An example is f(x) = 2ˣ

We can use the properties of exponential functions to find the value of f(15). Since f(x) is an exponential function, we can write it in the form:

f(x) = a × bˣ

f(4.5) = 16 = a × b⁴.5

f(9.5) = 60 = a × b⁹.5

Dividing second equation by first equation gives:

f(9.5)/f(4.5) = (a × b⁹.5)/(a × b⁴.5) = b⁵

Substituting the given values, we get:

60/16 = b⁵

b = (60/16)¹/⁵

b ≈ 1.46

Substituting b into the first equation gives:

16 = a × 1.46⁴.5

a ≈ 0.30

Therefore, the exponential function is:

f(x) = 0.30 × 1.46ˣ

To find f(15), we can substitute x = 15 into the function:

f(15) = 0.30 × 1.46¹⁵

f(15) ≈ 346.42

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Answer:

See below.

Step-by-step explanation:

We are asked to identify the Proof for Statement 7.

To start, we already have 2 sides and 1 angle proven, meaning that we can prove ΔABX ≅ ΔABY by the Side-Angle-Side Triangle Congruency Theorem. (SAS).

Because both Triangles are congruent, every side, and angle of the triangles are congruent. ASA, and SAS are incorrect choices, they're only used to prove that 2 triangles are congruent. HL is incorrect as well, the HL (Hypotenuse - Leg Theorem) is only used to prove that 2 triangles are congruent also. Our only option is CPCTC (Corresponding parts of congruent triangles are congruent); Meaning that every angle and every side of the 2 triangles are congruent.

For Statement 7, AX ≅ AY proved by CPCTC.

The p-value is 0.1138 for the given hypothesis.

What exactly is a p-value?

A p-value, or probability value, is a statistical measure that helps to determine the strength of evidence against a null hypothesis in a hypothesis test. In hypothesis testing, a null hypothesis is a statement or assumption about a population parameter that we want to test using sample data. The p-value is the probability of obtaining a test statistic as extreme as, or more extreme than, the observed test statistic, assuming the null hypothesis is true.

Now,

To test the hypothesis,

 we need to perform a hypothesis test using a significance level (α) to determine whether the sample proportion of satisfied customers is significantly different from 0.9.

The null hypothesis (H0) is that the true proportion of satisfied customers is equal to 0.9. The alternative hypothesis (H1) is that the true proportion is not equal to 0.9.

We can use the normal approximation to the binomial distribution to test this hypothesis, since the sample size is large (n = 1000) and both np and n(1-p) are greater than or equal to 10, where p is the true proportion of satisfied customers.

The test statistic is given by:

z = (P - p0) / √(p0(1 - p0) / n)

where p0 is the proportion (0.9), P is the sample proportion (850/1000 = 0.85), and n is the sample size.

Plugging in the values, we get:

z = (0.85 - 0.9) / √(0.9 * 0.1 / 1000) = -1.5811

The P-value is the probability of getting a test statistic as extreme as -1.5811 or more extreme, assuming the null hypothesis is true. Since this is a two-tailed test (H1: p ≠ 0.9), we need to find the area in both tails of the standard normal distribution.

Using a standard normal distribution table, we find that the area to the left of -1.5811 is 0.0569, and the area to the right of 1.5811 is also 0.0569. Therefore, the total area in both tails is:

p-value = 0.0569 + 0.0569 = 0.1138

So,

     the p-value is 0.1138.

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Answer:

murray= 58÷2= 29

kris=78÷3=26

Logan=84÷3=28

Taylor=92÷4=23

answer=logan

Answer:

C

Step-by-step explanation:

84÷3 = 28

which means that logan was able to solve 28 problems per minute

The reject the null hypothesis with α=0.05.

Based on the above calculations, we should reject the null hypothesis with α=0.05.

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Answer: Emmy Watson made a down payment of 20%, which means she paid 20% of the total cost of the oven upfront.

20% of 915.0 = 0.20 x 915.0 = 183.0

So, Emmy Watson paid $183.0 as a down payment.

To find out how much she financed, we need to subtract the down payment from the total cost of the oven:

Financed amount = Total cost - Down payment

Financed amount = $915.0 - $183.0

Financed amount = $732.0

Therefore, Emmy Watson financed $732.0.

Step-by-step explanation:

After answering the presented question, we can conclude that If the star equation player is in the starting lineup, there are 210 distinct starting lineups imaginable.

In mathematics, an equation is a proposition that states the equivalence of two expressions. An equation consists of two sides separated by a system of equations (=). For instance, the statement "2x + 3 = 9" states that the word "2x Plus 3" equals the integer "9". The goal of solving equations is to find the value or amounts of the variable in the model) that will permit the calculation to be accurate. Mathematics can be simple or complex, linear or nonlinear, and contain one or more parts. For example, in the equation "x2 + 2x - 3 = 0," the variable x is raised to the power of 2. Lines are used in many areas of mathematics, including algebra, arithmetic, and geometry.

If the starting lineup includes the star player, there are only four spaces left to fill with the remaining ten players. The number of possible starting lineups is the number of ways to select four players from the remaining ten, which may be calculated using the combination formula:

C(10,4) = 10! / (4! * 6!) = 210

If the star player is in the starting lineup, there are 210 distinct starting lineups imaginable.

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The answer is option C. (670 - x)

An expression is a combination of numbers, variables, and mathematical operations, such as addition, subtraction, multiplication, and division, among others. It is a mathematical phrase that represents a value or a set of values when evaluated. It can be simple or complex.

The number of calories Ling burned while exercising can be represented as:

Ling's calories burned = Marisol's calories burned - x

Since Marisol burned 670 calories, we can substitute this value:

Ling's calories burned = 670 - x

Therefore, the answer is 670 - x.

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Complete question-

Answer:

Step-by-step explanation:

the answer would be 5/4 i belive

Answer:

-51706

Step-by-step explanation:

when working with negative numbers, the number of greater size will be smaller.

We can say that after answering the offered question The ladder is Pythagorean theorem therefore 15 feet long, rounded up to the next foot. Thus, 15 feet is the solution.

The Pythagorean Theorem is the foundational Euclidean geometry connection that exists between the three sides of the right triangle. According to this rule, the area of either a cube with the length x side is equal to the total of the regions of triangles shared by its other two sides. According to the Pythagorean Theorem, the square that spans the hypotenuse of a right triangle opposite the perfect angle is the combined squares that spanned its sides. It is sometimes expressed as a2 + b2 = c2 in general algebraic notation.

The ladder serves as the hypotenuse in this basic example of a right triangle, which also includes the distance from the house as one of its legs and the ladder's height as its second leg. The Pythagorean theorem can be used to find the ladder's length.

[tex]c^2 = a^2 + b^2[/tex]

In this instance, we know that the distance from the house (a) is 9 feet, and the height of the ladder (b) is 12 feet. Hence, we can enter these values into the formula as follows:

[tex]c^2 = 9^2 + 12^2 c^2 = 81 + 144\sc^2 = 225\sc = √225\sc = 15[/tex]

The ladder is therefore 15 feet long, rounded up to the next foot. Thus, 15 feet is the solution.

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After answering the presented question, we can conclude that As a cylinder result, option C. 1800 is the correct answer.

A cylinder is a three-dimensional geometric shape made up of two parallel congruent circular bases and a curving surface connecting the two bases. The bases of a cylinder are always perpendicular to its axis, which is an imaginary straight line passing through the centre of both bases. The volume of a cylinder is equal to the product of its base area and height. A cylinder's volume is computed as V = r2h, where "V" represents the volume, "r" represents the radius of the base, and "h" represents the height of the cylinder.

volume of the cylinder is:

[tex]V = \pi r^2h\\V = \pi (5^2)(18)\\V = \pi (25)(18)\\V = 450\pi cubic inches\\V =450 x 3.14\\V =1413.00 cubic inches\\[/tex]

As a result, option C. 1800 is the correct answer.

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The volume of the rectangular prism is 60 cubic feet.

What is a rectangular prism?

A rectangular prism is a three-dimensional geometric shape with six faces, where each face is a rectangle. It is also known as a rectangular cuboid. A rectangular prism has 8 vertices, 12 edges, and 6 rectangular faces. The opposite faces of a rectangular prism are congruent and parallel to each other. The length (l), width (w), and height (h) of a rectangular prism are the three dimensions that determine its size and shape.

The formula for the surface area of a rectangular prism is:

SA = 2lw + 2lh + 2wh

where l, w, and h are the length, width, and height of the prism, respectively.

In this case, we have l = r, b = 5ft, h = 3ft, and SA = 94 sq ft. Substituting these values into the formula, we get:

94 = 2(r)(5) + 2(r)(3) + 2(5)(3)

94 = 10r + 6r + 30

94 = 16r + 30

64 = 16r

r = 4

So, the length of the rectangular prism is 4 feet.

Now, we can use the formula for the volume of a rectangular prism:

V = lwh

Substituting the values for l, w, and h, we get:

V = (4)(5)(3) = 60 cubic feet

Therefore, the volume of the rectangular prism is 60 cubic feet.

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x + 4y = -52.

The point-slope form of the equation of a line passing through the point (x1, y1) with slope m is:y - y1 = m(x - x1)Here, the point (x1, y1) = (18, -17) and the slope m = -1/4Therefore, the equation of the line in point-slope form is:y + 17 = (-1/4)(x - 18)Expanding the equation:4(y + 17) = -x + 18 => 4y + 70 = -x + 18 => x + 4y = -52The required equation of the line is x + 4y = -52.

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Answer:2>x[tex]\geq[/tex]-3

Step-by-step explanation:

when we divide each side with a negative number "<" turns into ">",">" turns into "<" and so on.

we can divide each side with -1, the we get,

2>x[tex]\geq[/tex]-3

[tex]-2 < -x \leq 3 \iff 2 > x \geq -3[/tex]

[tex]-3 \leq x < 2 \implies x \in [-3;2)[/tex]

Answer:

6 / b - 7

Step-by-step explanation:

The equations that can be used to find the number of students in the homeroom are:

4 = 20 - 1/2m

1/2m + 4 = 20

An equation is a statement that expresses the equality of two expressions in mathematics. It is two expressions that are connected by an equals to sign.

4 + 1/2m = 20

Where m is the number of students in Bryan's home room

In order to determine the value of m, take the following steps:

Combine similar terms:

1/2m = 20 - 4

Add similar terms

1/2m = 16

Multiply both sides of the equation by 2

m = 16 x 2

m = 32

Substitute for m in the above equation:

4 + 1/2(32) = 20

4 + 16 =20

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Answer:

The cost of putting in the flooring is $493.20

Step-by-step explanation:

First you have to find the area

area = length times width

area = 5 x  18

a = 90 feet

The cost will be 90 x 5.48 = 493.20

Helping in the name of Jesus.

The triangle is acute since a² + b² < c² ( 2916 + 961  < 4761.

To determine whether the triangle is right, acute, or obtuse, we can use the Pythagorean Theorem, which states that in a right triangle, the sum of the squares of the lengths of the legs is equal to the square of the length of the hypotenuse.

We can start by finding the longest side of the triangle, which is the hypotenuse.

hypotenuse = 69

Now we can use the Pythagorean Theorem to check whether the triangle is right:

a² + b² = c²

where a and b are the lengths of the other two sides of the triangle.

Plugging in the values we know, we get:

54² + 31² = 69²

Simplifying, we get:

2916 + 961 = 4761

3877 = 4761

Since this equation is not true, we know that the triangle is not a right triangle.

To determine whether the triangle is acute or obtuse, we need to compare the sum of the squares of the lengths of the shorter sides to the square of the length of the longest side:

a² + b² < c² => the triangle is acute

a² + b² > c² => the triangle is obtuse

c² = 69² = 4761

Plugging in the values we know, we get:

54² + 31² = 2916 + 961 = 3877

Since 3877 < 4761, we can conclude that the triangle is acute.

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The function representing the daily profit based on production of premium coffee is given by ,

T = [tex]\int_{1}^{x}[/tex]  [(t² + 1 ) / t² ] dt +  (13,500 + (1/x) - x)

Function for daily profit associated with the production of excel so coffee is equal to,

G(x) =[tex]\int_{1}^{x}[/tex]  [(t² + 1 ) / t² ] dt

Let's assume that the profit per kilogram of premium coffee is p dollars.

And total production of premium coffee is y kilograms per day.

Total profit from premium coffee is P = p × y

Company produces a total of 4000 kilograms of coffee per day.

⇒ y = 4000 - x

x = production of traditional coffee in kilograms per day.

Total profit for the company is,

T = G(x) + P

Substituting the expressions for P and y,

T = G(x) + p × (4000 - x)

Company's daily profit from producing traditional coffee =  $13,500

⇒ 13,500 = G(x) + 4 × x

Substituted the marginal profit of $4 per kilogram for traditional coffee.

Profit per kilogram of premium coffee, p, in terms of x is equal to,

⇒ T = G(x) + p × (4000 - x)

⇒ 13,500 = G(x) + p×(4000 - x)

⇒ 13,500 =    [tex]\int_{1}^{x}[/tex][(t² + 1 ) / t² ] dt + p×(4000 - x)

⇒ 13,500 = [x - (1/x)] + p× (4000 - x)

⇒13,500 = x - (1/x) + 4000p - px

⇒ 13,500 = (1-p)x - (1/x) + 4000p

p = (13,500 + (1/x) - x)/(4000 - x)

Function for daily profit associated with the production of premium coffee is,

T = G(x) + (13,500 + (1/x) - x)/(4000 - x) × (4000 - x )

Simplifying we get,

⇒ T = G(x) + (13,500 + (1/x) - x)

Therefore, the function for daily profit associated with the production of premium coffee is equal to

T = [tex]\int_{1}^{x}[/tex]  [(t² + 1 ) / t² ] dt +  (13,500 + (1/x) - x)

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The above question is incomplete , the complete question is:

A coffee processing company produces 4,000 kilograms of traditional coffee per day, obtaining a daily profit of 13,500 dollars and a marginal profit of 4 dollars per kilo 1. An administrator proposes to change the production of traditional coffee to premium coffee, the administrator affirms that the function of daily profit associated with the production of excel so coffee is:

G(x) = [tex]\int_{1}^{x}[/tex] [(t² + 1 ) / t² ] dt

Answer: Your answer is C

Step-by-step explanation:

Have a nice day

In the back of the maze, you will see two numbers at the start and end points of the maze. Let's call these numbers a and b.

To solve the maze, we need to find the geometric mean of a and b, which is the value that, when multiplied by itself, gives us the product of a and b.

The formula for the geometric mean is:

Geometric Mean = √(a × b)

So, to solve the maze, we need to find the geometric mean of the starting and ending numbers, and then follow the path in the maze that matches that value. This path will lead us to the end of the maze.

Once we find the geometric mean of the starting and ending numbers, we can use a calculator or mental math to simplify the expression and find the value.

I need help with the back of the geometric mean maze

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Answer: Let's call the number of large boxes purchased "L" and the number of small boxes purchased "S".

From the problem, we know that:

Each small box has 100 nails, so the total number of nails from the small boxes is 100S.

Each large box has 450 nails, so the total number of nails from the large boxes is 450L.

The contractor bought 3 more small boxes than large boxes, so S = L + 3.

The total number of nails purchased is 2500, so 100S + 450L = 2500.

We can use the second equation to solve for one of the variables in terms of the other. For example, we can solve for L:

100S + 450L = 2500

Substituting S = L + 3:

100(L + 3) + 450L = 2500

Expanding the parentheses:

100L + 300 + 450L = 2500

Combining like terms:

550L + 300 = 2500

Subtracting 300 from both sides:

550L = 2200

Dividing both sides by 550:

L = 4

So the contractor purchased 4 large boxes of nails.

We can use the equation S = L + 3 to find the number of small boxes purchased:

S = L + 3 = 4 + 3 = 7

So the contractor purchased 7 small boxes of nails.

Therefore, the contractor purchased 4 large boxes and 7 small boxes of nails.

Step-by-step explanation:

Answer:

The probability that both grab oranges would be = 1/30

Step-by-step explanation:

bc 1/8 * 2/9 = 1/30

hope this helps

Answer: The probability that both grab oranges would be =1/36

Step-by-step explanation:

Given,

A bowl contains,

Apples = a = 5

Oranges = o = 2

bananas = b = 2

Total fruits in bowl = x = a + o + b = 5 + 2 + 2 = 9

Now, Christian and Aaron come home from school and randomly grab one fruit each.

The probability of first selecting orange would be = o/b =2/9

Now, the oranges left would be 2 - 1 = 1

and total fruits would be = 9 - 1 = 8

Hence, the probability of selecting second orange would be = 1/8

Therefore, the probability that both grab oranges would be = 1/8 2/9 =1/36

The given data are:

A function that:

The domain is the set of all real numbers

One x-intercept

The amplitude is 4

The y-intercept is (0,0)

From the choices, the functions containing "cosine" can be eliminated  since the described function passes through (0,0). So, we are left with two choices:

[tex]y = -4sin(x)[/tex] and [tex]y = 4sin (x)[/tex]

Given the amplitude of 4, the answer must be [tex]y = 4 sin(x)[/tex]

Answer:

1.6

Step-by-step explanation:

The stock turnover at retail is a measure of how many times a business sells its average inventory during a period of time. We can calculate the stock turnover by dividing the retail sales by the average inventory.

Stock turnover = Retail Sales / Average Inventory

Given the values :

Substituting these values

Stock turnover at retail = 196,450 / 123,456 = 1.6 (rounded to the nearest tenth)

The possible value of x that is here, a are 8 and 12, when the sum of two number and product is given.

A group of two or more equations that must be solved all at once is known as a system of equations. The values of the variables in a system of equations that make all of the equations in the system true are known as the solutions. Several approaches, including substitution, elimination, and graphing, can be used to solve systems of equations. Several branches of mathematics, science, and engineering employ systems of equations to represent and solve issues that arise in the real world.

Let us suppose the two numbers = a and b.

Thus, from the given statement we have:

a + 2b = 20 (Equation 1)

and

ab ≤ 48 (Equation 2)

Using equation 1:

a = 20 - 2b

Substituting this expression for "a" into Equation 2, we get:

(20 - 2b)(b) ≤ 48

-2b² + 20b - 48 ≤ 0

b² - 10b + 24 ≥ 0

This inequality can be factored as:

(b - 4)(b - 6) ≥ 0

Since we want the product of the two numbers to be less than or equal to 48, both "a" and "b" must be positive.

We only need to consider the values of "b" that make this inequality true:

b ≤ 4 or b ≥ 6

Plug each of these values of "b" back into Equation 1:

When b = 4, we get:

a + 2(4) = 20

a = 12

When b = 6, we get:

a + 2(6) = 20

a = 8

Therefore, the possible values of "a" are 8 and 12.

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Using the Law of Cosines the length of l, to the nearest 10th of a centimeter is 4.6 cm.

To find the length of side l in triangle LMN, we can use the Law of Cosines, which states that c² = a² + b² - 2ab cos(C), where c is the side opposite the angle C.

In this case, we have:

a = 5.9 cm

b = 8.7 cm

C = 163°

First, we need to convert the angle from degrees to radians by multiplying it by π/180:

C = 163° × π/180 = 2.847 radians

Now we can plug in the values into the Law of Cosines:

l² = 5.9² + 8.7² - 2(5.9)(8.7)cos(2.847)

Simplifying the right-hand side:

l² = 68.81 - 60.83 × cos(2.847)

Taking the square root of both sides:

l ≈ 4.6 cm

Therefore, the length of l to the nearest 10th of a centimeter is 4.6 cm.

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