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erma4kov [3.2K]
2 years ago
7

Which of the following is equal to [(x2y3)-2/(x6y3x)2]3 ?

Mathematics
2 answers:
Alona [7]2 years ago
4 0

Answer:

a=√x3y5 or a=−√x3y5

Step-by-step explanation:

inn [45]2 years ago
4 0

Answer:

A, B & D

Step-by-step explanation:

Just did it on Edge

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Carlos is looking at moving into a new apartment. He found one that costs $750 per month, but they require that the cost of rent
Over [174]

Answer:  2250

Step-by-step explanation:

the smallest amount of money Carlos needs is 2250 because 750 is exactly 1/3 of 2250.

7 0
2 years ago
What is the solution to the inequality?<br><br> −4x−8&gt;−20
Sliva [168]
<span>−4x−8>−20
Add 8 to both sides
-4x>-12
Divide both sides by -4
Final Answer: x<3</span>
4 0
3 years ago
A random sample of 200 shoppers at a local grocery store found that 135 of the 200 sampled
VMariaS [17]

Using the z-distribution, as we are working with a proportion, it is found that samples of 937 should be taken.

<h3>What is a confidence interval of proportions?</h3>

A confidence interval of proportions is given by:

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which:

  • \pi is the sample proportion.
  • z is the critical value.
  • n is the sample size.

The margin of error is given by:

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

In this problem, we have that:

  • The estimate is of \pi = 0.675.
  • The margin of error is of M = 0.03.
  • 95% confidence level, hence\alpha = 0.95, z is the value of Z that has a p-value of \frac{1+0.95}{2} = 0.975, so z = 1.96.

Then, we solve for n to find the minimum sample size.

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

0.03 = 1.96\sqrt{\frac{0.675(0.325)}{n}}

0.03\sqrt{n} = 1.96\sqrt{0.675(0.325)}

\sqrt{n} = \frac{1.96\sqrt{0.675(0.325)}}{0.03}

(\sqrt{n})^2 = \left(\frac{1.96\sqrt{0.675(0.325)}}{0.03}\right)^2

n = 936.4

Rounding up, it is found that samples of 937 should be taken.

More can be learned about the z-distribution at brainly.com/question/25890103

4 0
2 years ago
Limit xtens to 0 x^2logx^2 what is the ans of interminate forms?
GarryVolchara [31]

Rewrite the limit as

\displaystyle\lim_{x\to0}x^2\log x^2=\lim_{x\to0}\frac{\log x^2}{\frac1{x^2}}

Then both numerator and denominator approach infinity (with different signs, but that's not important). Applying L'Hopital's rule, we get

\displaystyle\lim_{x\to0}\frac{\log x^2}{\frac1{x^2}}=\lim_{x\to0}\frac{\frac2x}{-\frac2{x^3}}=\lim_{x\to0}-x^2=\boxed{0}

7 0
3 years ago
Solve s = n/3 (b+H) for H Answer H=
cluponka [151]
The answer for H is, s=nb+nh÷3
Hope it helps
5 0
3 years ago
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