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DaniilM [7]
2 years ago
14

Help asap brb.asap asap will give max points

Mathematics
2 answers:
STatiana [176]2 years ago
3 0

Answer:

3^{3}

Step-by-step explanation:

Note: When you divide exponents with the same constant, the exponent will be subtracted, and vice-versa, when you multiply exponents with the same constant, the exponents will be added.

\frac{3^{-9} }{3^{-12} } \\= 3^{-9-(-12)} \\=3^{-9+12} \\=3^{3}

Karo-lina-s [1.5K]2 years ago
3 0
3^3

when dividing exponents, you subtract the exponents from each other in this case it would be 9- (-12) which would equal 3
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nasty-shy [4]

Move all terms that don't contain x to the right side and solve.

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plz mark me as brainliest :)

5 0
3 years ago
Find the volume. Round to the nearest tenth.​
sergey [27]

Answer:

a

Step-by-step explanation:

volume of cuboid = 8* 8 *23

volume of cylinder = pi * 4^2 r* 23

total colume = 2628.11

3 0
3 years ago
The points (−3, r)  and (2, 1) lie on a line with slope −2 . Find the missing coordinate r .
SVETLANKA909090 [29]
We can use point slope form to solve for this.

y - 1 = -2(x - 2)
Simplify.
y - 1 = -2x + 4
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y = -2x + 5

Now, we can input -3 for x and solve for y, or r in this case.

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6 0
3 years ago
What’s the value of x? and what’s the measure of angel JHK?
enot [183]

Answer:

x = 14

JHK =  21

Step-by-step explanation:

The angles are vertical angles and vertical angles are equal

3x-21 = x+7

Subtract x from each side

3x-x -21 = x+7-x

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Add 21 to each side

2x-21+21 = 7+21

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Divide by 2

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3 0
2 years ago
Read 2 more answers
Data from the U.S. Department of Education indicates that 59% of business graduate students from private universities had studen
san4es73 [151]

Answer: The mean of this distribution = 61.95

The standard deviation of this sampling distribution  (i.e., the standard error= 0.048

Step-by-step explanation:

Given : Data from the U.S. Department of Education indicates that 59% of business graduate students from private universities had student loans.

i.e. proportion of business graduate students from private universities had student loans : p=0.59

sample size : n=105

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\mu= np = (105)(0.59)=61.95

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\sqrt{\dfrac{p(1-p)}{n}}\\\\=\sqrt{\dfrac{(0.59)(1-0.59)}{105}}\\\\=\sqrt{0.00230381}\\\\=0.047998015832\approx0.048

∴The standard deviation of this sampling distribution  (i.e., the standard error= 0.048

8 0
3 years ago
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