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3 years ago

Help pleaseeeeeeeeeeeeee

Mathematics

1 answer:

Kaylis [27]3 years ago

5 0

Answer:

with what

Step-by-step explanation:

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20. What is the volume, in terms of r, for a cylindrical

inysia [295]

Step-by-step explanation:

Volume of cylindrical container

$= \pi {r}^{2} h \\ \\ = 3.14 \times ( {3.25)}^{2} \times 10 \\ \\ = 3.14 \times 10.5625 \times 10 \\ \\ = 331.6625 {cm}^{3} \\ \\ \approx \: 331.66 \: {cm}^{3}$

4 0

3 years ago

What is the least common denominator ( LCD ) of −1 5/6 and −1 7/9 ?

Marina CMI [18]

Answer:

Step-by-step explanation:

we start to write a few iterations of 6 and 9:

6, 12, 18, 24, 30, 36, 42, 48, 54, 60, ...

9, 18, 27, 36, 45, 54, 63, 72, 81, 90, ...

the LCD is the least repeating number in both sequences. It is 18

6 0

3 years ago

A soccer team is having a car wash. The team spent $45 on supplies. They earned $350, including tips. The team's profit is the a

umka21 [38]

The profit is going to be the total amount made, so you are going to subtract $350 - $45 = $305. $305. I hope this helps!

5 0

4 years ago

Let μ denote the true average tread life of a certain type of tire. consider testing h0: μ = 30,000 versus ha: μ > 30,000 bas

san4es73 [151]

The probability of making a type II error is given by one minus the power of the hypothesis test.

In general for the alternative hypothesis , $H_a:\mu\ \textgreater \ \mu_0$

The power of a hypothesis test is given by:

$\beta(\mu')=\phi\left(X \ \textless \ \mu_0+z_{1-\alpha}\frac{\sigma}{\sqrt{n}}|\mu'\right) \\ \\ =\phi\left(z_{1-\alpha}+\frac{\mu_0-\mu'}{\sigma/\sqrt{n}}\right) =\phi\left(z_{1-0.01}+\frac{30000-31000}{1500/\sqrt{16}}\right) \\ \\ =\phi\left(z_{0.99}+\frac{-1000}{1500/4}\right)=\phi\left(2.33-\frac{1000}{375}\right)=\phi(2.33-2.667) \\ \\\phi(-0.33)=0.3682$

The probability of <span>making a type ii error when μ = 31,000 is given by

$1-\beta(\mu')=1-0.3682 \\ \\ =0.6318$ </span>

6 0

3 years ago

3/x + 4/y = 2 linear equation?

daser333 [38]

Answer:

Linear

Step-by-step explanation:

When you graph them, they do not hit each other.

Linear equation in standard form is Ax+By=C

If it is in this form it is linear.

8 0

3 years ago