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Reil [10]
3 years ago
14

Which set of numbers can represent the side lengths, in inches, of an acute triangle?

Mathematics
1 answer:
MrMuchimi3 years ago
8 0

Answer:

B. 5, 7, 8

Step-by-step explanation:

When you take the sum of the squares of 5 and 7 they are greater than the square of 8.

5² + 7² = 8²       Simplify

25 + 49 = 64    Add

74 > 64

If this answer is correct, please make me Brainliest!

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Solve the proportion 9/12 = 15/a
evablogger [386]

Answer:

a=20

Step-by-step explanation:

You cross multiply: 9a=180

a=20.

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3 years ago
There are 48 people in gym class
nika2105 [10]

Answer:

2

Step-by-step explanation:

5/8 8 people in all, 5 were in spin class, 1 was lifting weights, 2 were running.

6 0
3 years ago
Read 2 more answers
Three siblings- Kate, Sarah, and Dave- committed themselves to volunteer 160 hours for a homeless charity to build new housing .
liraira [26]

Kate worked for 50 hours, Dave worked for 65 hours and Sarah

worked for 45 hours

Step-by-step explanation:

Three siblings- Kate, Sarah, and Dave- committed themselves to

volunteer 160 hours for a homeless charity to build new housing

1. Dave worked 15 hours more than Kate

2. Sarah worked 5 hours fewer than Kate

3. The total hours for them is 160 hours

Assume that Kate worked for x hours

∵ Kate worked for x hours

∵ Dave worked 15 hours more than Kate

∴ Dave worked for x + 15 hours

∵ Sarah worked 5 hours fewer than Kate

∴ Sarah worked x - 5 hours

∵ They worked for 160 hours

- Add the number of worked hours of them and equate the sum

  by 160

∴ x + x + 15 + x - 5 = 160

- Add like terms in the left hand side

∴ 3x + 10 = 160

- Subtract 10 from both sides

∴ 3x = 150

- Divide both sides by 3

∴ x = 50 hours

∵ Kate worked for x hours

∴ Kate worked for 50 hours

∵ Dave worked for x + 15 hours

∴ Dave worked for 50 + 15 = 65 hours

∵ Sarah worked for x - 5 hours

∴ Sarah worked for 50 - 5 = 45 hours

Kate worked for 50 hours, Dave worked for 65 hours and Sarah

worked for 45 hours

Learn more:

You can learn more about equation in brainly.com/question/11229113

#LearnwithBrainly

6 0
3 years ago
Mrs. Webster wants to divide 6 pints of
Zolol [24]

Answer:

18 servings each pint being 1/3 serving size that 3 servings per pint 3×6 =18

7 0
3 years ago
If you subtract 15 from my number, multiply the result by 4, and then subtract 51 from that result, you will gte my number.Find
Anna11 [10]

Answer:

4x-111

Step-by-step explanation:

let 'my number' be 'x'

x-15 -> (subtract from x)

4(x-15) -> (multiply result from (x-15) by 4)

4(x-15) - 51 -> (subtract 51 from result from [4(x-15)])

4x-60-51

4x-111

This is the expression for the number

8 0
2 years ago
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