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skad [1K]
3 years ago
5

The regular cost of a sound system is $1499, but today it is on sale for $1100! That is a $399 saving. The sales clerk tells you

that if you want to purchase the sound system, you can put $100 down and then pay $37.68 a month for 3 years. How much are you paying total for the sound system
Mathematics
1 answer:
andriy [413]3 years ago
3 0

Answer:

<em>$1456.48</em>

Step-by-step explanation:

$37.68 x 3 months

37.68 x 36=1356.48

$1356.48 total over 3 yrs + $100 down= $1456.48

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PLEASE HELP WILL MARK BRAINLIEST THANK YOU
Alina [70]

Answer:

\huge\boxed{\sf 46}

Step-by-step explanation:

<u>Formula for area of rectangle:</u>

= length × width

<u>Area of the smaller rectangle:</u>

length = 7

width = 6

= 7 × 6

= 42

<u>Area of the larger rectangle:</u>

length = 7 + 4 = 11

width = 6 + 2 = 8

= 11 × 8

= 88

<u>Area of the shaded region:</u>

= Area of the larger rectangle - Area of the smaller rectangle

= 88 - 42

= 46

\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807</h3>

5 0
2 years ago
Use the distributive property to demonstrate that the product of 10 and -1/5 is a negative number. Make sure to include all step
rodikova [14]

-1(10 * (-1/5))

(-10)(1/5)

-2

4 0
3 years ago
Which two numbers go into the blanks so they add to be the bottom number but also multiply to be the top?
ss7ja [257]

Answer:

8 and 6

Step-by-step explanation:

8 * 6 = 48

8 + 6 = 14

5 0
3 years ago
Read 2 more answers
A survey of 35 people was conducted to compare their self-reported height to their actual height. The difference between reporte
monitta

Answer:

The test statistic is t = 3.36.

Step-by-step explanation:

You're testing the claim that the mean difference is greater than 0.7.

At the null hypothesis, we test if it is 0.7 or less, that is:

H_0: \mu \leq 0.7

At the alternate hypothesis, we test if it is greater than 0.7, that is:

H_1: \mu > 0.7

The test statistic is:

t = \frac{X - \mu}{\frac{s}{\sqrt{n}}}

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

0.7 is tested at the null hypothesis:

This means that \mu = 0.7

Survey of 35 people. From the sample, the mean difference was 0.95, with a standard deviation of 0.44.

This means that n = 35, X = 0.95, s = 0.44

Calculate the test statistic

t = \frac{X - \mu}{\frac{s}{\sqrt{n}}}

t = \frac{0.95 - 0.7}{\frac{0.44}{\sqrt{35}}}

t = 3.36

The test statistic is t = 3.36.

7 0
3 years ago
Which expression is equivalent to 7c +4 + 10c – 6?<br> 15<br> 15c<br> 17c - 2
slega [8]

Answer:

17c - 2

Step-by-step explanation:

Firstly, add the normal numbers together:

7c + 4 + 10c - 6

4 - 6 = -2

7c + 10c - 2

Now, the two numbers with a c value can be added together:

7c + 10c = 17c

This returns the answer:

17c - 2

Hope this helps!

5 0
3 years ago
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