i need help. and i would like to know how to do it in detail please if anyone knows... 4i(2-i)(5+3I)

Sarah has a cell phone plan that charges $0.12 per minute plus a monthly fee of $21.00. She budgets $65.50 per month for total c

kirill115 [55]

Answer:

собак в гавне гандонов дешовых псин

Step-by-step explanation:

phone expenses without taxes. What is the maximum number of minutes Sarah could use her phone each month in order to stay within her budget?phone expenses without taxes. What is the maximum number of minutes Sarah could use her phone each month in order to stay within her budget?phone expenses without taxes. What is the maximum number of minutes Sarah could use her phone each month in order to stay within her budget?phone expenses without taxes. What is the maximum number of minutes Sarah could use her phone each month in order to stay within her budget?phone expenses without taxes. What is the maximum number of minutes Sarah could use her phone each month in order to stay within her budget?phone expenses without taxes. What is the maximum number of minutes Sarah could use her phone each month in order to stay within her budget?phone expenses without taxes. What is the maximum number of minutes Sarah could use her phone each month in order to stay within her budget?phone expenses without taxes. What is the maximum number of minutes Sarah could use her phone each month in order to stay within her budget?phone expenses without taxes. What is the maximum number of minutes Sarah could use her phone each month in order to stay within her budget?phone expenses without taxes. What is the maximum number of minutes Sarah could use her phone each month in order to stay within her budget?phone expenses without taxes. What is the maximum number of minutes Sarah could use her phone each month in order to stay within her budget?phone expenses without taxes. What is the maximum number of minutes Sarah could use her phone each month in order to stay within her budget?phone expenses without taxes. What is the maximum number of minutes Sarah could use her phone each month in order to stay within her budget?

6 0

2 years ago

A tea shop brewed 8 7/8 pitchers of chamomile tea, of which it sold 2 3/5 pitchers. How many pitchers remained unsold?

Hitman42 [59]

Answer:6 11/40

Step-by-step explanation: You can change your units to decimals or to fractions of equal value. Decimals are easier for this so 8 7/8= 8.875 and 2 3/5 =2.6. Then subtract: 8.875-2.6= 6.275 You can now convert back to a fraction by simplifying the .275 into 11 by dividing by 25 and 1000 into 40 by dividing by 25. 6+11/40= 6 11/40 tea left

4 0

2 years ago

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If there were 200 total fruits, about how many of them would be bananas? Round your

Y_Kistochka [10]

I think that there would be 40 bananas

7 0

2 years ago

An inspector inspects large truckloads of potatoes to determine the proportion p in the shipment with major defects prior to usi

victus00 [196]

Answer:

a) The sample proportion is 0.06.

b) The test statistic is z = -1.89.

c) 0.0294

d) 0.294 < 0.05, which means that there is enough evidence that p is less than 0.1, which means that we reject the null hypothesis, and accept the shipment.

Step-by-step explanation:

The null hypothesis is:

$H_{0} = 0.1$

The alternate hypotesis is:

$H_{1} < 0.1$

The test statistic is:

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

In which X is the sample mean, $\mu$ is the value tested at the null hypothesis, $\sigma$ is the standard deviation and n is the size of the sample.

a. Calculate the sample proportion p.

200 potatoes, 12 defective.

This means that $p = \frac{12}{200} = 0.06$

The sample proportion is 0.06.

b. Calculate the test statistic.

For a proportion p, we have that:

$\sigma = \sqrt{p(1-p)}$

In this question, since $\mu = 0.1$

$\sigma = \sqrt{0.1}{0.9}$

SRS of 200 means that $n = 200$

$H{0} = 0.1$ means that $\mu = 0.1$ . So

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

$z = \frac{0.06 - 0.1}{\frac{\sqrt{0.1*0.9}}{\sqrt{200}}}$

$z = -1.89$

The test statistic is z = -1.89.

c. Find the p-value.

Looking at the z-table, $z = -1.89$ has a pvalue of 0.0294, which is the pvalue of this hypothesis test.

d. Given α=0.05 what is your conclusion? Should he reject the shipment?

0.294 < 0.05, which means that there is enough evidence that p is less than 0.1, which means that we reject the null hypothesis, and accept the shipment.

8 0

2 years ago

Helpppppppp!!<br> Which choices are equivalent to the expression below? Check all that apply.

Bezzdna [24]

Answer:

b , d , f are all equivalent

3 0

2 years ago

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