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3 years ago

7

Look at the picture to answer below and be sure to answer correctly and explain why that's the answer i will mark you as brainli

est.

1 answer:

12345 [234]3 years ago

4 0

Answer:

The last one is right

Step-by-step explanation:

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<><><><><>

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<><><><><>

Explanation: $\downarrow\downarrow\downarrow$

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[ Step One ] Rewrite $\bold{\left(-2x^2\right)^3}$

$\bold{-2^3\left(x^2\right)^3}$

[ Step Two ] Rewrite Equation

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[ Step Three ] Apply Exponent Rule

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$\bold{-2^3\cdot \:3x^7}$

[ Step Four ] Refine

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3 years ago

Read 2 more answers

If the length of the hypotenuse of a right triangle is 39 millimeters and the length of one leg is 15 millimeters what is the le

Genrish500 [490]

Answer:

36 millimeters

Step-by-step explanation:

From Pythagoras theorem, the square of the hypotenuse is equal to the sum of the square of the two other legs

In mathematical terms;

a^2 = b^2 + c^2

Let a represent the hypotenuse = 39 mm and the length of one leg, say c, is 15 mm

Slotting in the values of a and b

39^2 = b^2 + 15^2

1521 = b^2 + 225

collect like terms

1521 - 225 = b^2

1296 = b^2

Take the square root of both sides

36 = b

Therefore b = 36 mm

6 0

3 years ago