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Lubov Fominskaja [6]

4 years ago

9

Helpp !! i am terrible at mathematics

1 answer:

jolli1 [7]4 years ago

8 0

I don't know the answer

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What is the area of this triangle?

Iteru [2.4K]

Answer:

A = 1/2(y2-y1) (x3-x1)

A = 21 units^2

Step-by-step explanation:

The area of a triangle is 1/2 bh

Using the left side as the base b= 6 units

This is found by taking (y2-y1)

The height is 7 units, counting from the left side to x3

This is found by taking (x3-x1)

A = 1/2(y2-y1) (x3-x1)

A = 1/2 (6*7)

A = 1/2 *42

A = 21 units^2

6 0

4 years ago

If 2x + a=b solve for x.

Vitek1552 [10]

2x + a = b Subtract a from both sides

2x = b - a Divide both sides by 2

x = $\frac{b - a}{2}$

3 0

4 years ago

Simplify the following<br>a) 5(3a - 45<br>b) 4(a + 2b - 1<br>

vagabundo [1.1K]

Step-by-step explanation:

I hope that is useful for you :)

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3 years ago

What is the answer to 3p^4 times 5p^2

sladkih [1.3K]

Answer:

I'm pretty sure the answer is 15p^8

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3 years ago

Divide and answer in simplest form: 1/5 ÷ 7

iris [78.8K]

Answer: 1/35

Step-by-step explanation:

1/5 = 0.2

0.2/7= 1/35

8 0

3 years ago

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