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2 years ago

The corner store sells carrots at a rate of $1.50 per carrot. If Isabella has $6.00 dollars, how many carrots

Mathematics

2 answers:

allochka39001 [22]2 years ago

8 0

Answer:

4 Carrots

Step-by-step explanation:

6/1.5 =4

alisha [4.7K]2 years ago

5 0

Answer:

Step-by-step explanation:

Find how many times you can fit 1.5 into 6 by dividing. this will result in an answer of 4 times

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If you want to be 95% confident of estimating the population mean to within a sampling error of plus or minus3 and the standard

Aleksandr [31]

Answer:

The sample size required is at least 171

Step-by-step explanation:

We have that to find our $\alpha$ level, that is the subtraction of 1 by the confidence interval divided by 2. So:

$\alpha = \frac{1-0.95}{2} = 0.025$

Now, we have to find z in the Ztable as such z has a pvalue of $1-\alpha$ .

So it is z with a pvalue of $1-0.025 = 0.975$ , so $z = 1.96$

Now, find the margin of error M as such

$M = z*\frac{\sigma}{\sqrt{n}}$

In which $\sigma$ is the standard deviation of the population and n is the size of the sample.

What sample size is required?

A samle size of at least n is required, in which n is found when $M = 3, \sigma = 20$

$M = z*\frac{\sigma}{\sqrt{n}}$

$3 = 1.96*\frac{20}{\sqrt{n}}$

$3\sqrt{n} = 20*1.96$

$\sqrt{n} = \frac{20*1.96}{3}$

$(\sqrt{n})^{2} = (\frac{20*1.96}{3})^{2}$

$n = 170.7$

Rouding up

The sample size required is at least 171

5 0

3 years ago

How can you write 23/3 as a mixed number?

Illusion [34]

23/3 = 7 2/3 <======

3 0

3 years ago

Determine a rational number that is located between -2 1/4 and -2.8

Kipish [7]

Answer:

Step-by-step explanation:

3 0

3 years ago

Estimate the line of best fit using two points on the line

DaniilM [7]

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8 0

3 years ago

Please, can you do this step-by-step.... 2 1/3 + 6 3/5

lina2011 [118]

Answer:

8 14/15

Step-by-step explanation:

Step 1:

2 1/3 + 6 3/5

Step 2:

2 5/15 + 6 9/15

Answer:

8 14/15

Hope This Helps :)

3 0

3 years ago

Read 2 more answers