Multiply.

Find the coordinates of the point (a, b).

balu736 [363]

Answer:

thats tough XD

Step-by-step explanation:

3 0

3 years ago

Which of the following relations is a function?

Damm [24]

Answer -

Step-by-step explanation:

3 0

3 years ago

Need help ASAP algebra 2 please !!!

Oksanka [162]

Answer:

The answer is D.

Step-by-step explanation:

This is because the first part of the expression is the conjugate and youre given -5. The second part of the expression is the imaginary part and youre given 4i.

4 0

3 years ago

Read 2 more answers

Your company spends 15% of their budget on rent each year. Their operating budget was $45,000. How much was spent on rent? A. $3

tatyana61 [14]

15% in 45000
(15/100) * 45000
$ 6750

6 0

3 years ago

Read 2 more answers

The local swim team is considering offering a new semi-private class aimed at entry-level swimmers, but needs a minimum number o

SCORPION-xisa [38]

Answer:

The significance level is $\alpha=0.01$ and since we are conducting a right tailed test we need to find a critical value who accumulate 0.01 of the area in the right of the normal standard distribution and we got:

$z_{\alpha/2}= 2.326$

So we reject the null hypothesis is $z>2.326$

Step-by-step explanation:

For this case we define the random variable X as the number of entry-level swimmers and we are interested about the true population mean for this variable . On specific we want to test this:

Null hypothesis: $\mu \leq 15$

Alternative hypothesis: $\mu > 15$

And the statistic is given by:

$z =\frac{\bar X -\mu}{\frac{\sigma}{\sqrt{n}}}$

The significance level is $\alpha=0.01$ and since we are conducting a right tailed test we need to find a critical value who accumulate 0.01 of the area in the right of the normal standard distribution and we got:

$z_{\alpha/2}= 2.326$

So we reject the null hypothesis is $z>2.326$

7 0

3 years ago