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4 years ago

When Ava bought her car, it was worth $19,340. It was expected to decrease at a rate of 12.5% each year.

1 answer:

7 0

To do this, you must do 12.5% of $19,340, then 12.5% of that sum, and so one 10 times. Your answer:
12.5% X $19,340 = 241,750/100 = $2,417.5.
$19,340 - $2,417.5 = $16,922.5 X 12.5% = 211,531.25/100 = $2,115.3
$16,922.5 - $2,115.3 = $14,807.2
Repeated 8 more times... and you get your answer...
Hope that helps:) Sorry that I didnt give you the answer...

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g True or False: A sample of size 25 provides a sample variance of 400. The standard error in this case, equal to 4, is best des

Tpy6a [65]

Answer:

True.

Step-by-step explanation:

If we have for a sample of size n=25 a sample variance of 400, the standard error can be written as:

$\sigma_s=\dfrac{\sigma}{\sqrt{n}}=\dfrac{\sqrt{400}}{\sqrt{25}}=\dfrac{20}{5}=4$

This way of calculating the standard error is the same used for estimating the standard deviation of the sample means for samples of size n=25.

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4 years ago

What is 7 5/12 written in decimal

noname [10]

The answer is 7.41666667

Step-by-step explanation:

7 5/12= 89/12

Divide

=7.466666666667

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4 years ago

What is -2x-5=4????

cupoosta [38]

Answer:

-9/2

Step-by-step explanation:

-2x-5 = 4

+5 +5

-2x = 9

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-2 -2

x = -9/2

7 0

3 years ago

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Solve the inequality.<br>4(x – 7)>-8<br>

frez [133]

Answer:

x>5

Step-by-step explanation:

1. First, you do distributive property with 4(x-7), which is 4x-28

2. Add 28 to both sides

3. divide 4 on each side

4. 20 divided by 4 is 5

6. x>5

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4 years ago

The bar graph shows the numbers of reserved campsites at a campground for one week. What percent of the reservations were for Fr

Slav-nsk [51]

Answer:

66.67 %

Step-by-step explanation:

As we can see from the figure

We are given a bar graph in which bars represent the number of reserved campsites at a camp ground for one week from Monday to Sunday.

First of all

Lets the count the total number of reservations made by campsites during the week.

Total Number of campsite reservations = 5+3+4+7+26+30+9

Total Number of campsite reservations =84

Now

we have to calculate what percent of reservations were made for friday or saturday.

% of reservations made on friday or saturday = $\frac{total-numer-of-reservations-on-friday-or-saturday}{total-number-of reservations}$

% of reservations made on friday or saturday = $\frac{26+30}{84}$

% of reservations made on friday or saturday = $\frac{56}{84}$

% of reservations made on friday or saturday = 66.67 %

So in total 66.67 % reservations are on friday and saturday.

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4 years ago

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