solve for c
3 120 10 round your answer to the nearest tenth

Answer:

32:9

Step-by-step explanation:

64 :18

32: 9

So 32: 9 is its simplest form.

Answer:

32:9

Step-by-step explanation:

64 : 18

Divide both sides by a common number 2

32 : 9

This cannot be further divided

The maximum value of the objective function is 33, which occurs at the corner point (3, 3)

According to the question we have to maximize 6x+5y (OBJ)Subject tox+y≤6 (1)2x+y≤8 (2)y≤5 (3).Linear programming is a mathematical method that aims to maximize or minimize an objective function subject to a set of linear constraints. In this problem, we are asked to maximize the objective function 6x + 5y subject to the constraints given by the inequalities 1, 2, and 3.

The inequalities 1, 2, and 3 define a feasible region in the xy-plane, which is a region that satisfies all the constraints. The feasible region can be found by graphing the three inequalities and shading in the region that satisfies all of them.
In this case, the feasible region is a triangle with vertices (0, 0), (3, 3), and (4, 1), as shown below:

The objective function 6x + 5y is evaluated at each corner point as follows:
At (0, 0), 6(0) + 5(0) = 0,  At (3, 3), 6(3) + 5(3) = 33, At (4, 1),  6(4) + 5(1) = 29. Thus, the optimal solution is x = 3 and y = 3, and the maximum value of the objective function is 33.

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The Bianca will contribute 14.6 works of art, and Claire will contribute 8.7 works of art.

a. In order to find each person's optimal number of art works, one must solve for the point at which the marginal benefit and the marginal cost intersect. For Alice, that point is when N = 7 and MBA = MCA, resulting in an optimal number of works of art of 7. For Bianca, the intersection point is when N = 14 and MBB = MCB, resulting in an optimal number of works of art of 14. For Claire, the intersection point is when N = 8.3 and MBC = MCC, resulting in an optimal number of works of art of 8.3.

b. Without considering altruism, Alice will contribute 7 works of art, Bianca will contribute 14 works of art, and Claire will contribute 8.3 works of art.

c. With altruism, the optimal number of art works for each individual can be calculated in the same way as without altruism, but with the warm-glow benefit added to their respective total marginal benefits. For Alice, that point is when N = 7.3 and TMBA = MCA, resulting in an optimal number of works of art of 7.3. For Bianca, the intersection point is when N = 14.6 and TMBB = MCB, resulting in an optimal number of works of art of 14.6. For Claire, the intersection point is when N = 8.7 and TMBC = MCC, resulting in an optimal number of works of art of 8.7.

d. With altruism, Alice will contribute 7.3 works of art, Bianca will contribute 14.6 works of art, and Claire will contribute 8.7 works of art.

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Cross-sectional area of the dam can be calculated without using calculus as explained below:

Step 1: Draw the cross-section of the dam on a graph paper and divide it into simple shapes like triangles, rectangles, and circles.

Step 2: Calculate the area of each shape separately using the appropriate formulae. For example, the area of a rectangle is length times width, area of a triangle is 1/2 times base times height and the area of a circle is pi times radius squared.

Step 3: Add the areas of all the shapes to find the total cross-sectional area of the dam. This gives an approximate value of the area since the actual shape of the cross-section is not perfectly regular.If we take a concrete example of a dam with a cross-section of a trapezoid,

we can calculate the cross-sectional area using the above steps:

Step 1: Draw the cross-section of the dam on a graph paper as shown below. The cross-section of the dam can be divided into a rectangle and a triangle.

Step 2: Calculate the area of the rectangle and the triangle separately using the formulae for the area of the rectangle and the triangle respectively.Area of the rectangle = base times height = 10 m times[tex]4 m = 40 m²[/tex]Area of the triangle = 1/2 times base times height = 6 m times 4 m = 12 m²

Step 3: Add the areas of the rectangle and the triangle to get the total cross-sectional area of the dam.Area of the cross-section = area of rectangle + area of triangle= [tex]40 m² + 12 m²= 52 m²[/tex]The area found using the above method is not exact since it is an approximation of the actual area of the cross-section of the dam. It can be more accurate by dividing the cross-section into smaller and simpler shapes and calculating their areas individually.

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Answer:

9, 20 and 4

Step-by-step explanation:

Swimming only 9

Track only 20

All 3 events

14 did track and field

10 did track and swimming

Those who sis all 14- 10 = 4

The answers are the students do a) swimming only = 9, b)track events only = 20 and c) all three events = 4

A Venn diagram is an illustration that uses circles to show the relationships among things or finite groups of things.

Given that, a school sports team contains 68 students. 33 do field events, 40 do track events, 23 go swimming, 14 do both field and track events. If 15 students do field events only and 10 do both swimming and track events,

Please refer to picture attached

Therefore,

15+a+c+d = 33.......1

b+c+d+e = 40.........2

a+b+d+f = 23..........3

c+d = 14...............4

a+d = 8.............5

b+d = 10.............6

Now, solving for variables,

From 1 and 4,

a = 4

Therefore, from 5,

d = 4

From 6,

b = 6

Put these in eq 3,

f = 9

c = 10

e = 20

Therefore,

Swimming only = 9

Track events = 20

All three = 4

Hence, the answers are the students do a) swimming only = 9, b)track events only = 20 and c) all three events = 4

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Answer: 7.4

Step-by-step explanation:

a) Tοtal squares shaded is 4*10+(1*6) + 4*10+(1*6) + (1*8) + 3*10+(1*8)

b) The expressiοn gives the tοtal number οf squares.

Tοtal squares will be number οf cοlumns multiplied by the squares in each cοlumn.  dοing same fοr all cοlοrs and adding them, we will get the  Tοtal squares shaded

c) On simplifying the expressiοn, we get  138  squares

Mathematical expressiοns cοnsist οf at least twο numbers οr variables, at least οne arithmetic οperatiοn, and a cοmplete sentence. Any οne οf the fοllοwing mathematical οperatiοns can be used. A sentence has the fοllοwing structure: Number/variable, Math Operatοr, Number/Variable is an expressiοn.

In each cοlumn, there are 10 squares

The first grid has 4 cοlumns and 6 squares shaded green

=> 4*10+(1*6) = 46  green squares

On the same grid, 6 squares and 4 cοlumns are shaded red.

=> 4*10+(1*6) = 46   red squares

On the same grid, 8 squares are shaded blue. => (1*8) blue squares

On the secοnd 10 by 10 grid, 3 cοlumns and 8 squares are shaded blue.

=> 3*10+(1*8) blue squares

a)Tοtal squares shaded

= shades οn first grid +  shades οn secοnd grid

= ( green squares + red squares +  blue squares ) + ( blue squares )

=  4*10+(1*6) + 4*10+(1*6) + (1*8) + 3*10+(1*8)

b)   The expressiοn gives the tοtal number οf squares.

Tοtal squares will be number οf cοlumns multiplied by the squares in each cοlumn.  dοing same fοr all cοlοrs and adding them, we will get the  Tοtal squares shaded

c)  On simplifying the expressiοn, we get

= 46+46+8+38

= 138  squares

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The 3 sides to a right triangle are:

The Pythagorean Theorem states that in a right triangle, the sum of the squares of the two shorter sides (called the legs) is equal to the square of the length of the longest side (called the hypotenuse).

So, if we have three sides of a triangle and we want to know if it forms a right triangle, we can use the Pythagorean Theorem in the following three ways:

Check if a² + b² = c², where a and b are the lengths of the two legs and c is the length of the hypotenuse. If this equation is true, then the triangle is a right triangle.

Check if b² + c² = a², where b and c are the lengths of the two legs and a is the length of the hypotenuse. If this equation is true, then the triangle is a right triangle.

Check if a² + c² = b², where a and c are the lengths of the two legs and b is the length of the hypotenuse. If this equation is true, then the triangle is a right triangle.

If none of these equations are true, then the triangle is not a right triangle.

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Answer:

34m

Step-by-step explanation:

To find:-

Answer:-

We are here given that Elizabeth climbed up the mountain vertically 30m , and the distance between frank and the bottom of the mountain is 30m .

We are interested in finding out the distance between frank and Elizabeth. For that we will have to use Pythagoras theorem , in which;

[tex]\rm\implies a^2+b^2 = h^2 \\[/tex]

Where h is the longest side of the triangle and a and b are two other sides. here we need to find out the longest side ( see attachment) .

So on substituting the respective values, we have;

[tex]\rm\implies h^2 = (16m)^2+(30m)^2 \\[/tex]

[tex]\rm\implies h^2 = 256m^2 + 900m^2 \\[/tex]

[tex]\rm\implies h^2 = 1156m^2\\[/tex]

[tex]\rm\implies h =\sqrt{1156 \ m^2} \\[/tex]

[tex]\rm\implies \red{h = 34 m} \\[/tex]

Hence the distance between Elizabeth and Frank is 34m .

Considering the figure, the missing lengths are

In geometry, the phrase "similar triangles" refers to triangles whose respective sides are proportionate and whose corresponding angles are congruent.

Hence, if the triangle's corresponding angles are congruent, the side should be in proportion.

The proportions are as follows

say the side on top of 10 (in horizontal line) is y

y / (10 + 15 + 12.5) = 10 / (10 + 15)

y / 37.5 = 10 / 25

cross multiplying  

25y = 37.5 * 10

25y = 375

y = 15

say the side below side 10 (in horizontal line) is x

x / 10 = 10 / (10 + 15)

x / 10 = 10 / 25

cross multiplying  

25x = 100

x = 4

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If the demand and supply curves are given by y=10-3x³ and y=4+x²+2x, the equilibrium quantity is approximately 1.477 units, and the equilibrium price is approximately $5.44 per unit.

To find the equilibrium price and quantity, we need to find the point where the demand curve intersects the supply curve. At this point, the quantity demanded by consumers is equal to the quantity supplied by producers, which means that the market is in equilibrium.

We can set the two equations equal to each other to find the equilibrium quantity:

10 - 3x³ = 4 + x² + 2x

Simplifying the equation, we get:

3x³ + x² - 2x - 6 = 0

We can solve for x using algebraic methods or by using a graphing calculator. Either method will yield three roots for x, but only one of them will be positive and realistic in the context of the problem.

The positive root for x is approximately 1.477, which means that the equilibrium quantity is approximately 1.477 units.

To find the equilibrium price, we can substitute the equilibrium quantity into either the demand or supply equation. Let's use the demand equation:

y = 10 - 3(1.477)³

Solving for y, we get:

y ≈ 5.44

Therefore, the equilibrium price is approximately $5.44 per unit.

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Using the speed formula, the coordinates to plot on the graph are (0, 0), (1, 60), (2, 120), (3, 180), and (4, 240).

What is the speed?

Speed is defined as the distance traveled per unit of time. It is the slope of the distance vs time graph. The formula for speed is:

Speed = Distance / Time

Where:

Speed is the speed of the object, usually expressed in units such as meters per second (m/s)

Distance is the distance traveled by the object, usually expressed in units such as meters

Time is the duration of travel, usually expressed in units such as seconds

To graph the relationship between the time and the distance traveled by the car, we can use the following formula:

Distance Traveled = Rate x Time

In this case, the rate (or speed) of the car is 60 miles per hour, and the distance traveled is a function of time.

So we can write the equation as:

Distance Traveled = 60 x Time

To graph this equation, we can plot a series of points using different values of time. For example:

At 0 hours, the distance traveled is 0 miles. Coordinate: (0, 0)

At 1 hour, the distance traveled is 60 miles. Coordinate: (1, 60)

At 2 hours, the distance traveled is 120 miles. Coordinate: (2, 120)

At 3 hours, the distance traveled is 180 miles. Coordinate: (3, 180)

At 4 hours, the distance traveled is 240 miles. Coordinate: (4, 240)

These points can be plotted on a graph with time on the x-axis and distance traveled on the y-axis. The resulting graph would be a straight line with a slope of 60 (which represents the rate or speed of the car) and passing through the origin (0, 0).

So the coordinates to plot on the graph are:

(0, 0), (1, 60), (2, 120), (3, 180), (4, 240)

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Answer:

[tex]\boxed{ \$600}[/tex]

Step-by-[tex]\boxed{/$600}[/tex]step explanation:

El enunciado nos dice que toda la tienda cuenta con 20% de descuento, así que por cada artículo paga el 80% de su valor (100%-20%).

Una forma rápida de resolver el ejercicio es con regla de 3.

[tex]\$750 \Rightarrow 100 \% \newline x \Rightarrow 80\%[/tex]

para encontrar [tex]x[/tex]:

[tex]x=\frac{80*750}{100} \\x=\$600[/tex]

Por lo que la cantidad que termina pagando por el vestido es de $600.00

[tex]\text{-B$\mathfrak{randon}$VN}[/tex]

Answer: 51.2 pounds

Step-by-step explanation: The problem states that 20% of the total cost is taken when you purchase more than 20 bottles.

We start by finding the total cost without the 20% off

Multiply the unit price by the number of bottles

[tex]1.60*40 = 64 pound[/tex]

Next use the discount, since we are getting 20% off we only have to pay 80% of it and 80/100 simplifies to 4/5 so we can just multiply 64 by that.

[tex]64*4/5 = 51.2[/tex]

The cost of buying 40 bottles of orange juice, with a 20% discount, is £51.20.

percentage, a relative value indicating hundredth parts of any quantity.

The cost of one bottle of orange juice is £1.60.

To find the cost of 40 bottles of orange juice

40 bottles x 1.60 per bottle = £64

The total cost without the discount would be £64.

To calculate the discount, we can multiply the total cost by 20% or 0.20:

Discount = 20% x £64 = £12.80

The discount on 40 bottles of orange juice is £12.80.

To find the final cost, we need to subtract the discount from the total cost:

Final cost = Total cost - Discount

= £64 - £12.80

= £51.20

Therefore, the cost of buying 40 bottles of orange juice, with a 20% discount, is £51.20.

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From the given data in the question, the circumference of a circle is 31.42 centimeters then the area of the circle is 78.5 cm².

To find the area of a circle with a given circumference, we need to use the formula:

Circumference = 2πr

where π is the mathematical constant pi (approximately 3.14) and r is the radius of the circle. In this case, the circumference is given as 31.42 centimeters. So we can write:

31.42 = 2πr

To solve for r, we can divide both sides by 2π:

r = 31.42 / (2π)

r = 5

So the radius of the circle is 5 centimeters.

Now, to find the area of the circle, we can use the formula:

Area = πr²

Substituting the value of r, we get:

Area = π(5²)

Area = 25π

Area = 78.5 square centimeters

Therefore, the area of the circle with a circumference of 31.42 centimeters is approximately 78.5 square centimeters.

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25 bottles every minute are filled using a filling and capping machine in [tex]11700[/tex]

Even though both pressures and movements are involved in a machine's functioning, one of its principal functions can either be force amplification or motion modification. A lever essentially adds force, but a gearbox often acts as a speed reducer.

A machine diagram represents a function operation on a variable x to create a variable output y diagrammatically. If x falls inside the scope of the f(x, the machine will accept x as an input and output y in accordance with the function's rules.

[tex]25 bottles/minute * 20 minutes = 500 bottles.[/tex]

During the remaining [tex]280[/tex] minutes, both machines are running and together they fill

[tex]25 bottles/minute + 15 bottles/minute = 40 bottles/minute[/tex]

So, the total number of bottles filled during this period is

[tex]40 bottles/minute * 280 minutes = 11,200 bottles.[/tex]

[tex]500+ 11,200= 11,700[/tex]

None of the given options represents this equation.

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Operating a 100-watt lamp for a week when the power utility rate is 16 cents/k

Wh can be calculated as follows:

Power of the lamp = 100 watts

Time of usage = 1 week = 7 days

Power utility rate = 16 cents/kWh

1 kW = 1000 watts

Power consumed by lamp = 100 watts

Total time of usage in hours = 7 days x 24 hours/day = 168 hours

Energy consumed = Power x Time= 100 watts x 168 hours= 16,800

watt-hours (Wh) = 16.8 kWh

Cost of operating the lamp = Energy consumed x Power utility rate= 16.8 kWh x 16 cents/k

Wh= 2.688 dollars= $2.7 (approx)

Therefore, the cost of operating a 100-watt lamp continuously for 1 week when the power utility rate is 16 cents/kWh is approximately $2.7 using two significant figures.

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Answer:

The sum of a number and 9 can be written as:

x + 9

where "x" represents the number being referred to.

Alternatively, if we want to use a different variable, we can write it as:

n + 9

where "n" represents the number being referred to.

Hope this helped, if not I'm sorry! If you need more help, feel free to ask! :]

Therefore, the terminal point is 0.26 radii to the right of the circle's center and 0.67 cm to the right of the circle's center.

The angle in question has an initial ray pointing in the 3-o'clock direction and measures 2.8 radians. It is centered at the vertex of a circle with a radius of 2.6 cm. To calculate the number of radii and the number of cm the terminal point is to the right of the circle's center, we need to use the formula for arc length. Arc length is equal to the circumference of the circle multiplied by the central angle's measurement, divided by 2π.

So, the arc length of this angle is equal to 2.6 cm times 2.8 radians divided by 2π, or[tex]2.6 x 2.8 / 6.28 = 0.67 cm.[/tex] The terminal point is 0.67 cm to the right of the circle's center, which is equal to [tex]0.67/2.6 = 0.26 radii.[/tex]

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Answer : 6 Dollars

Explanation :  4.00 × 20/100 = 0.8 + 4 = 4.8 * 25/100 = 6

Answer : 6 doolarz                ThanK me

Answer:

Step-by-step explanation:

To see which bag is the better buy, calculate how much each pound of rice would cost.

To do that divide the price by the amount of costs for each then compare those numbers

$2.25/3 = $0.75 per pound

$6.66/9 = $0.74 per pound

So the 9 pound bag of rice would cost 1 cent less per pound making it the better buy.

The expressions that represent the perimeter and area of the cornfield are: Perimeter = 14y + 12x,Area = 42xy

What is Area of rectangle ?

Area of rectangle can be defined as product of length and breadth of a rectangle.

The given expression represents the dimensions of a rectangular cornfield, where one side measures 7y units and the other side measures 6x units.

The perimeter of a rectangle is the sum of the lengths of all its sides. Therefore, the perimeter of this cornfield is:

P = 2(7y) + 2(6x) = 14y + 12x

To find the area of a rectangle, we multiply its length by its width. Therefore, the area of this cornfield is:

A = (7y) (6x) = 42xy

Therefore, the expressions that represent the perimeter and area of the cornfield are: Perimeter = 14y + 12x,Area = 42xy

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Answer:

Ill help you figure out how to graph.

Step-by-step explanation:

The value in front of x (like 2x or 7x) is the slope (rise over run) rise is how much the line goes up, and run is how much it goes to the side. the second number (in the bottom left graph, it is -5) is the y intercept. it is where the line crosses the y axis. (in this case on -5) Here is an example. (of the problem y=x-5)

Answer:

769

764 + 3 + 2 = 769

1. She can do   764 + 3 = 767   767 + 2 = 769

2. OR She can do   2 + 3 = 5   5 + 764 = 769

The answer is B hope it helps

Answer:

D.) 3.14/2

Step-by-step explanation:

Answer: x = π - π/4 = 3π/4

Step-by-step explanation:

If sec(x) = -√2 and x is in the second quadrant (between π/2 and π), we can use the identity:

sec^2(x) - 1 = tan^2(x)

to find the value of tan(x):

sec^2(x) - 1 = tan^2(x)

(-√2)^2 - 1 = tan^2(x)

2 - 1 = tan^2(x)

1 = tan^2(x)

Taking the square root of both sides, we get:

tan(x) = ±1

Since x is in the second quadrant, the angle that satisfies tan(x) = 1 is π/4. Therefore, we have:

x = π - π/4 = 3π/4

Note that the angle that satisfies tan(x) = -1 is in the fourth quadrant, so it is not relevant to this problem.

The area of the sector is equal to 40.89 cm².

Mathematically, the area of a sector can be calculated by using this formula:

Area of sector = θπr²/360

Where:

Substituting the given parameters into the area of a sector formula, we have the following;

Area of sector = θπr²/360

Area of sector = 30(3.14/360) × (12.5)²

Area of sector = 0.2617 × 156.25

Area of sector = 40.89 cm²

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