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bearhunter [10]

3 years ago

8

Denise provides water for the runners at her schools 10K road race. She has a container that holds 678 ounces of water. How many

8-ounce cups can she fill with water?__________cups

2 answers:

prisoha [69]3 years ago

8 0

divide total ounces by the amount each cup can hold

678 / 8 = 84.75

so they can fill 84 cups

Natalija [7]3 years ago

8 0

678 oz/ 8 = # of cups she can fill

678/8 = 84.75

She can fill 84 cups

hope this helps

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I really need help with solving x please

Luba_88 [7]

From the fact that the shape is a square, we know that one of the angles of the triangle in question must by 90 degrees (the lower left angle in this case).

The triangle formed is also an isosceles triangle and therefore the two smaller angles must be equal to each other. (upper left and lower right)

On top of this, we also know that the total of the angles must be 180 due to the fact that all triangles have interior angles that add to 180.

90 + (lower right) + (upper left) = 180

Since lower right and upper left are equal, we can use a single variable to represent them both.

90 + a + a = 180
90 + 2a = 180
2a = 90
a = 45
So, the degree of the lower right angle is 45. We can take this value and set 4x + 17 equal to it.

4x + 17 = 45
4x = 28
x = 7

Therefore, x is equal to 7.

5 0

3 years ago

Hi can you help with some ratio and proportion questions

pochemuha

Answer:

1a. 12 : 40

1b. 15 : 21

1c. 24 : 44

1d. 2 : 25

2. 40 boys and 100 girls

3. 96 girls

4. £71.43

5a. 9 : 4

5b. 3 : 1

5c. 3 : 5

6. 210 : 90

7. Sorry, I couldn't figure out how to solve this question :(

Step-by-step explanation:

Since I'll be using a similar method to solve these questions, I won't go into a detailed explanation for how I solved every single question. If you do need extra help, please ask in the comments below my answer.

1. Let's use part (a) as an example. The ratio is 3:10. To new ratio is ?:40. So, 10 becomes 40. What number multiplied by 10 equals 40? The answer is 4. If 10 is multiplied by 4, then 3 must be multiplied by 4 as well. 3*4 = 12, so the ratio is 12:40.

In part b the ratio is multiplied by 3, part c is 4, and part d is 1/2.

2. To solve this, add the values on both sides of the ratio together: 2 + 5 = 7. Now, divide the total number of pupils, 140, by 7: 140/7 = 20. Finally, multiply 20 by both sides of the ratio: 2 * 20:5 * 20 = 40:100. There are 40 boys and 100 girls.

3. To solve this I used the same method as the one I used in question 1.

4. The ratio is 5:140, where 140 becomes 2000. To solve, use the method used in question 1.

5. Simplifying ratios is the same as simplifying fractions. Find the greatest common factor of the values on both sides of the ratio and divide both sides by that factor. For example, in part a the factor for 45:20 is 5. 45/5 = 9 and 20/5 = 4. The ratio becomes 9:4.

For part b the factor is 9 and for part c the factor is 50.

6. Same method as was used in question 2.

Hope this helps :)

5 0

3 years ago

What is the volume of a cylinder with a radius of 3 feet and a height of 4 feet? Use 3.14 for pi. Enter your answer in the box.

natta225 [31]

volume of a cylinder = V = πr²h, r = radius and h = height.

if r = 3 and h = 4, then V = π3²(4) => V = 36π => V ≈ 113.1.

7 0

3 years ago

Read 2 more answers

Rectangle Given:1=15 m, w=6m,A=

sashaice [31]

Answer:

$90m^2 and 144 m^2$

Step-by-step explanation:

Given :

Length of the rectangle (l)=15m

Width of the rectangle (w)= 6 m

Area of the rectangle can be calculated as :

$A=l*w\\A=(15)(6)\\A=90 m^2$

Now,

Side of square (s)=12 m

Area of the square can be find:

$A=s^2\\A=12^2\\A=144 m^2$

6 0

3 years ago

You guys are life savers but does anyone know the answers to these questions? I’m so confused rn

timofeeve [1]

Answer:

The third choice

Step-by-step explanation:

We need to find the slope and y-intercept of the line and then put it into y = mx = b form. To find the slope, pick a point on the line; I will use (-2, 5); count how many units up you need to go to get to the next point on the line, which in this case it would be 3. The count how many to the right or left you would need to go, which is 1 to the left. Moving left means a negative, so it is -1. Your slope fraction would be $\frac{3}{-1}$ , since slope is rise over run. You can sub this fraction in for m in y = mx + b, which will give you a revised equation of y = -3x = b. To find the y intercept, or b, just find the point where the line crosses the y-axis, which is -1. So, the equation is now y = -3x - 1.The correct answer is third choice.

6 0

3 years ago