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bearhunter [10]

3 years ago

11

Help me ASAP Simplify. 7 – 2 • 5 + 9 • 3 A.24 B.102 C.-30 B.18

1 answer:

nadya68 [22]3 years ago

8 0

7 – 2 • 5 + 9 • 3
A.24

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Let v = 9.<br><br> What is the value of r in the equation r = 3 × v + 13?

daser333 [38]

<span>r = 3 × v + 13
</span><span>r = 3 × 9 + 13
</span><span>r = 27 + 13
v = 40</span>

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3 years ago

Simplify 9 − (−4).<br><br> −13<br> −5<br> 5<br> 13

andrew11 [14]

- - = + 9-(-4)= 9+4 so minus minus becomes plus. and 13 is the answer.

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2 years ago

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Simplify (4ab^2)^3<br><br> Any help is appreciated

Pie

Answer:

$64a^{3} b^{6}$

Step-by-step explanation:

1) Distribute the exponent outside of the parentheses to the terms inside the parentheses. In this case, multiply the 3 outside the parentheses with the exponent of each of the terms inside:

$(4ab^{2} )^3$

$4^{3}$ · $a^{3}$ · $b^{6}$

2) The variables are fine - you can't simplify them further. All you need to do now is multiply the $4^{3}$ out. Remember that it's kind of like asking, "what is 4 × 4 ×4?"

$4$ · $4$ · $4$ · $a^{3}$ · $b^{6}$

$16$ · $4$ · $a^{3}$ · $b^{6}$

$64a^{3} b^{6}$

Therefore, $64a^{3} b^{6}$ is the answer.

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3 years ago

Factor x^2a^2 + 3xa^2 + 2a^2. Show your work.

kotegsom [21]

$x^2a^2 + 3xa^2 + 2a^2= \\ a^2(x^2+3x+2)= \\a^2(x^2+2x +x+2)= \\a^2(x(x+2)+(x+2))= \\a^2(x+2)(x+1)$

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3 years ago

A wire 30 feet long is stretched from the top of a flagpole to the ground at a point 15 feet from the base of the pole. How high

sweet-ann [11.9K]

Answer:

28.3

Step-by-step explanation:

Use the Pythagorean Theorem to solve for the answer. 10^2 + x^2 = 30^2

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3 years ago

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