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lapo4ka [179]
2 years ago
12

Please help. I don’t understand how to do this

Mathematics
2 answers:
yKpoI14uk [10]2 years ago
5 0

Answer:

First find hypotenuses

Step-by-step explanation:

First you must find h by using formula

A^2+b^2=c^2 when you find this you already given base and put the c you find is h and b is given in the formula you will get area

Rasek [7]2 years ago
4 0

Greetings from Brasil...

Let's apply the given formula:

A = (1/2)·B·H

The base of this polygon (in this case, the triangle) is B

B = X² - 2X + 6

The height of this polygon is H and is H

H = X + 4

Applying these values (B and H) in the given formula.....

A = (1/2)·B·H

A = (1/2)·(X² - 2X + 6)·(X + 4)

A = (1/2)·(X³ + 2X² - 2X + 24)

A = (X³/2) + X² - X + 12

OR

A = (X³ + 2X² - 2X + 24)/2

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shtirl [24]

Answer:

The answer is 5.9

Step-by-step explanation:

1) Subtract 31.7 from both sides.

14 - 31.7 =  - 3x

2) Simplify 14 - 31.7 to -17.7

- 17.7 =  - 3x

3) Divide both sides by -3.

\frac{ - 17.7}{ - 3}  = x

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5.9 = x

5) Switch sides.

x = 5.9

Therefor, the answer is x = 5.9.

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