2 years ago

HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP

Mathematics

1 answer:

tekilochka [14]2 years ago

7 0

Answer:

I think Its B

Step-by-step explanation:

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The perimeter of a square is represented by 20n-8. Write an expression that will represent each side of the square.

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Answer:

n=3

Step-by-step explanation:

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20×3

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Between x = 0 and x = 1, which function has the same average rate of change as y = 3x ?

Nataly [62]

Answer:

D) y = 1/3-x

Step-by-step explanation:

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What is the height of this isosceles triangle?

erastova [34]

Answer:

height ≈ 11.9 units

Step-by-step explanation:

Construct a perpendicular bisector from the vertex to the base, thus splitting the triangle into 2 right triangles.

Using the sine ratio in one of these right triangles, then

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sin48° = $\frac{h}{16}$ ( multiply both sides by 16 )

16 × sin48° = h , thus

h ≈ 11.9 ( to the nearest tenth )

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