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love history [14]
3 years ago
12

Question:

Mathematics
1 answer:
kolbaska11 [484]3 years ago
3 0

Answer:

<u>Proportional relationship formula:</u>

  • y = kx, where k is the constant of proportionality

Use one of the ordered pairs to calculate the value of k

<h3>Company A</h3>

Point (2, 20)

  • 20 = k*2
  • h = 20/2
  • k = 10

The equation: y = 10h

<h3>Company B</h3>

Point (3, 20)

  • 20 = k*3
  • k = 20/3
  • The equation: y = 20/3h

Company A has greater unit rate as 10 > 20/3

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Fynjy0 [20]

Answer: 216 in

Step-by-step explanation: I used the formula A=1/2(b1+b1)h and I filled it in by doing A=1/2(6+12)6 and then I divided the height by 1/2 and i multiplied 72 by 3 which is 216 in.

3 0
4 years ago
Is 70 the correct value for x?
Reptile [31]

Answer:

68 is what I'm getting for x

70 is the correct length of DH

Step-by-step explanation:

You can set up the proportion for this question.

99.2 / 62 = 112/(x + 2)   Cross multiply

99.2 ( x + 2) = 62 * 112   Combine the right side

99.2(x + 2) = 6944         Use the distributive principle to remove the brackets.

99.2*x + 2*99.2 = 6944 Combine the factors on the left

99.2x + 198.4 = 6944     Subtract 198.4 from both sides

99.2x = 6944  - 198.4     Combine the terms on the right

99.2x = 6745.6               Divide both sides by 99.2

x = 6745.6/99.2

x = 68

DH = 70


8 0
3 years ago
A scale measures weight to the nearest 0.1 pounds. Which is the most
Kobotan [32]

Answer:A

Step-by-step explanation:

3 0
3 years ago
1. A bag contains red apples and yellow apples. The ratio of red apples to yellow apples in the bag is 9 to 4. How many apples a
andre [41]

Answer:

?

Step-by-step explanation:

You can’t know that, because you don’t know how many total apples there are.

6 0
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