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marissa [1.9K]
4 years ago
8

8.5(4+3h)-h simplified

Mathematics
2 answers:
Afina-wow [57]4 years ago
8 0

Answer:

24.5h + 34

Step-by-step explanation:

8.5(4 + 3h) - h

= 34 + 25.5h - h

= 24.5h + 34

I hope this helped!

nikklg [1K]4 years ago
4 0

Answer:

34+24.5h

Step-by-step explanation:

8.5(4+3h)-h\\\\=8.5(4)+8.5(3h)-h\\\\=34+25.5h-h\\\\=34+24.5h

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I Need Help With Statistics
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Step-by-step explanation:

This is what I know there are 54 students who learn salsa and 23 ballet left with 31 students (put that aside) then 15 who learned salsa instead of ballet. (31 - 15 = 16. Left with 16) but 10 who did not learn either ballet or salsa (16-10 = 6.)

Do u understand where I'm going.......Im starting to get confuse myself now          

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7 0
3 years ago
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-BARSIC- [3]

9514 1404 393

Answer:

  • width: 4 ft
  • length: 13 ft

Step-by-step explanation:

Let w represent the width of the rectangle. Then the length is 3w+1 and the area is ...

  w(3w+1) = 52

  3w²  +w -52 = 0

To factor this equation, we need factors of 3·52 = 156 that have a difference of 1. These values are 12 and 13, so we can rewrite the equation as ...

  3w² +13w -12w -52 = 0

  w(3w +13) -4(3w +13) = 0

  (w -4)(3w +13) = 0

The positive value of w that makes a factor zero is ...

  w = 4

Then the length is 3w+1 = 3(4) +1 = 13.

The length is 13 ft; the width is 4 ft.

8 0
3 years ago
Y
bearhunter [10]

Answer:

x = 49

Step-by-step explanation:

This is an inverse relationship and it implies that, an increase in the value of one variable results in a subsequent decrease in the value of another variable.

Given the mathematical expression and data;

y = 1/√x

y = 7 and x = 64

First of all, we would find the constant of proportionality, k;

y = k/√x

7 = k/√64

7 = k/8

k = 7 * 8

Constant, k = 56

Now, to find the value of x when y = 8

y = k/√x

Substituting the values, we have;

8 = 56/√x

Cross-multiplying, we have;

8 * √x = 56

√x = 56/8

√x = 7

Taking the square of both sides, we have;

(√x)² = 7²

x = 49

8 0
3 years ago
Is 92% on a math exam an A+ or an A?
Temka [501]

It depends but it's most like a A.

I'd say a 98/99% is an A+

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3 years ago
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makvit [3.9K]

Answer:

I think the answer is 4)may be negative

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