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Nezavi [6.7K]
3 years ago
7

Can someone please answer this? If you do i will crown you as brainliest!

Mathematics
2 answers:
scoray [572]3 years ago
8 0

A. GIVE ME BRAINLIST

sp2606 [1]3 years ago
6 0

(9t-4)(-9t-4)

Multiply each term by each term then combine like terms:

9t x -9t = -81t^2

9t x -4 = -36t

-4 x -9t = 36t

-4 x -4 = 16

-81t^2 - 36t + 36t + 16

Combine like terms:

-81t^2 + 16

The answer is the second choice.

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3 years ago
Need help with the question at the top<br><br> Thanks
Effectus [21]

First we must find area of a single square.

Meaning we divide total area of 80 centimetres squared by 5 since we have 5 squares in the shape.

A_{square}=\frac{A_{shape}}{5}=\underline{16}

Now from the picture we can see that the perimeter of shape is combined by 4 times 3 times the length of side of 1 square.

So we need to find side of 1 square.

a=\sqrt{A_{square}}=\sqrt{16}=\underline{4}

As we stated before the formula for perimeter of this shape is:

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The perimeter of shape is 48 centimetres.

Hope this helps.

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3 years ago
(27 points for whoever answers this ) Write an expression to represent the sum modeled in the following number line.
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3 years ago
Write an expression that is equivalent to three over four (5z+ 16). WILL GIVE BRAINLIEST
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Answer:

15 over fourz +12

Using the distributive property, 3/4 • 5z equals 15/4z, which can't be simplified. Then 3/4 of 16 is 12. If you divide 16 by 4 (the denominator) and then multiply by 3 (the numerator) that yields your answer.

Step-by-step explanation:

literally just got asked this question (if that makes sense lol)

so B is your answer

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