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3 years ago

WILL GIVE BRAIN IF YOU ANSWER CORRECT

Mathematics

2 answers:

DiKsa [7]3 years ago

6 0

Answer:

C.) -2

Step-by-step explanation:

Have an amazing day luvs!!!!

11111nata11111 [884]3 years ago

5 0

Answer:

Step-by-step explanation:

First do what’s in the parentheses. Do copy flip flip

1/4 x 4/7 = 1/7

Then do multiplication 7/5 x 1/7 = 1/5

Then multiply 1/5 by -10 and you get -2

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3 years ago

Calculate the area of quadrilateral ABCD.<br> State the units of your answer.

cluponka [151]

Answer:

158.76 cm²

Step-by-step explanation:

Quadrilateral ABCD is composed of 2 right triangles

Construct the line BD, then

Δ ABD and Δ BCD are the 2 right triangles.

The area (A) of a triangle is calculated using

A = $\frac{1}{2}$ bh ( b is the base and h the perpendicular height )

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