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4 years ago

PLEASE HELP AND EXPLAIN HOW YOU FOUND THE ANSWER! Will give brainliest!

Mathematics

1 answer:

shtirl [24]4 years ago

6 0

You first combine like terms.
6.51 - 9.32 + h = 1.02
-2.81 + h = 1.02
To isolate the variable you need to add 2.81 to both sides.
h = 3.83
And that is your final answer.
I hope this helps love! :)

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tankabanditka [31]

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3 years ago

PLEASE HELP!! I WILL MARK THE FIRST CORRECT ANSWER BRAINLIEST!!))

Svetradugi [14.3K]

Answer:

Step-by-step explanation:

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3 years ago

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What is the area of a triangle that has a base of 15 1/4in. and a height of 18in?show work

Sauron [17]

Answer : 137.25

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3 years ago

Simplify 18 cos Ø (algebra)

ArbitrLikvidat [17]

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that's as simple as it gets

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4 years ago

1) A rectangle has the lengths shown <br> Find the perimeter of the rectangle.

maks197457 [2]

Hi there! :)

$\large\boxed{P = 32cm}$

Find the perimeter by solving for y.

We know that a rectangle contains two pairs of parallel and congruent sides, therefore:

5y - 1 = 2y + 8

We can solve for y using this expression. Begin by subtracting 2y from both sides:

5y - 2y - 1 = 2y - 2y + 8

3y - 1 = 8

Add 1 to both sides:

3y - 1 + 1 = 8 + 1

3y = 9

Divide both sides by 3:

y = 3

Recall that the perimeter of a rectangle is:

P = 2l + 2w

Plug in the given expressions for the side lengths to find one equation:

P = 2(5y - 1) + 2(y - 1)

Simplify by distribution:

P = 10y - 2 + 2y - 2

Combine like terms:

P = 12y - 4

Plug in the solved value of y into this equation:

P = 12(3) - 4

P = 36 - 4

P = 32 cm.

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3 years ago