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3 years ago

Select the correct answer.

1 answer:

hjlf3 years ago

6 0

The correct answer is: [A]: "You can get cash-back rewards."
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Choice [B]: is incorrect; sometimes you do have to pay sales tax on applicable items; even when using a credit card to make purchases.
____________________________________________________
Choice [C]: is incorrect in the sense in that it not the best answer; doing so (mail-in-rebates by mailing receipts ARE NOT EXCLUSIVE to paying with a credit card —this can be done with debit cards; cash payments; etc.
_______________________________________________

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I need help please!

maxonik [38]

Answer:

D..........

Step-by-step explanation:

rgW

4 0

3 years ago

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College students average 8.6 hours of sleep per night with a standard deviation of 35 minutes. If the amount of sleep is normall

Soloha48 [4]

Answer:

4.27%

Step-by-step explanation:

We have been given that college students average 8.6 hours of sleep per night with a standard deviation of 35 minutes. We are asked to find the probability of college students that sleep for more than 9.6 hours.

We will use z-score formula to solve our given problem.

$z=\frac{x-\mu}{\sigma}$

z = z-score,

x = Random sample score,

$\mu$ = Mean,

$\sigma$ = Standard deviation.

Before substituting our given values in z-score formula, we need to convert 35 minutes to hours.

$35\text{ min}=0.58\text{ Hour}$

$z=\frac{9.6-8.6}{0.58}$

$z=\frac{1}{0.58}$

$z=1.72$

Now, we need to find $P(z>1.72)$ .

Using formula $P(z>a)=1-P(z$ , we will get:

$P(z>1.72)=1-P(z$

Using normal distribution table, we will get:

$P(z>1.72)=1-0.95728$

$P(z>1.72)=0.04272$

$0.04272\times 100\%=4.272\%$

Therefore, 4.27% of college students sleep for more than 9.6 hours.

7 0

3 years ago

What is the slope of the line y= 1

Harrizon [31]

Answer:

The slope of y = 1 is 0

explanation:

Determining slope has been based on a simple formula, y2-y1 over x2-x1.

It is crucial to follow this formula in order to attain the proper slope.

When a simple expression is given, for instance; y = 1 then it could be divided by 0; thus, resulting in the answer simply being zero.

However, x=1 would contain the slope of undefined because any number divided by zero results in an undefined answer.

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3 years ago

Which expression is equivalent to (2g^5)^3/(4h^2)^3

9966 [12]

$\cfrac{(2g^5)^3}{(4h^2)^3} = \cfrac{2^3 \cdot g^{5\cdot3}}{4^3 \cdot h^{2\cdot3}} = \cfrac{8 g^{15}}{64 h^{6}} =\cfrac{g^{15}}{8h^{6}}$

First option

7 0

3 years ago

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Sue deposited $1,500 into two different accounts.

avanturin [10]

$915 I’m pretty sure

5 0

3 years ago