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Alex Ar [27]
3 years ago
5

Which value of b solves the equation? b^-3 = 1/216 A. –6 B. 6 C. 36 D. 72

Mathematics
2 answers:
viktelen [127]3 years ago
8 0

Answer:

<h2>B. 6</h2>

Step-by-step explanation:

\text{use}\\\\a^{-n}=\dfrac{1}{a^n}\\\\==========================\\\\b^{-3}=\dfrac{1}{216}\\\\\dfrac{1}{b^3}=\dfrac{1}{216}\qquad\text{inverse both sides}\\\\b^2=216\to b=\sqrt[3]{216}\\\\b=6\ \text{because}\ 6^3=216

KatRina [158]3 years ago
4 0
The answer to the question

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Please help ASAP!!!!!!
lina2011 [118]

Answer:

I think its C but I'm not too sure.

4 0
3 years ago
so the volume is that of a cylinder V=hpir^2 h=8 r=2 pi=3.141592 V=8*3.141592*2^2 V=8*3.141592*4 V=32*3.141592 V=100.530944 roun
Mashcka [7]
Volume=(height)(pi)(radius^2)
Volume=(8)(3.141592)(2^2)
V=(8)(4)(3.141592)
V=(32)(3.141592)
V=100.530944

7 0
3 years ago
Consider the following equations and name the property of equality used to solve for the variable.
Viktor [21]

9514 1404 393

Answer:

  A. subtraction

  B. division

  C. multiplication

  D. addition

Step-by-step explanation:

Observe what is done to the variable. Choose the operation that turns the unwanted value into the appropriate identity element.

A. 3.75 is added. To make that value be 0, we subtract 3.75.

B. -3 is multiplied. To make that value be 1, we divide by -3.

C. m is divided by 5. To make that 1/5 multiplier be 1, we multiply by 5.

D. 4 is subtracted. To make that value be zero, we add 4.

_____

<em>Additional comment</em>

Since subtraction is the same as addition of the opposite, and division is the same as multiplication by the reciprocal, the only two properties we really need are the <em>addition property</em> and <em>multiplication property</em>. Your grader may disagree.

5 0
3 years ago
Use complete sentences to describe the relationship between the two sets A and B If A CB.
ehidna [41]

Answer:

Step-by-step explanation:

6 0
3 years ago
Simplify 2.1 + (-3.7m) + 1.9m - 1.4
belka [17]

Answer:

-1.8m + 0.7

Step-by-step explanation:

4 0
3 years ago
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