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1 year ago

6

A department store is having a sale of 20% off of kitchen appliances. What is the sale price for a 250 microwave

1 answer:

belka [17]1 year ago

8 0

If there is a 20% discount of a 250$ microwave, then price will be 200$. That is because 20% of 250 is 50, so you subtract 50 from 250, and get your answer: 200$.
Hope I was able to help. If you need any more help, please let me know and I will assist you.

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b. Sixty-five pounds of candy was divided into four different boxes. The second box contained twice the amount of the first box.

Ainat [17]

First box = 14 pounds

Second box = 2x = 28 pounds

Third Box = x+2= 16 pounds

Fourth box = x/2 = 7 pounds

<u>Step-by-step explanation:</u>

Here we have , Sixty-five pounds of candy was divided into four different boxes. The second box contained twice the amount of the first box. The third box contained two more pounds than the first box. The last box contained one-fourth the amount in the second box. We need to find How much candy was in each box. Let's find out:

We have a total of 65 pounds of candy ! Let in first box we have x pounds so , second box contained twice the amount of the first box i.e.

⇒ $2x$

The third box contained two more pounds than the first box i.e.

⇒ $x+2$

The last box contained one-fourth the amount in the second box i.e.

⇒ $(\frac{1}{4})2x = \frac{x}{4}$

Therefore , Sum of pounds of candy are :

⇒ $\frac{x}{2} +x+2+2x+x=65$

⇒ $\frac{x}{2} +4x=63$

⇒ $\frac{9x}{2}=63$

⇒ $x=63(\frac{2}{9} )$

⇒ $x=14$

Therefore , Candy in each box is :

First box = 14 pounds

Second box = 2x = 28 pounds

Third Box = x+2= 16 pounds

Fourth box = x/2 = 7 pounds

8 0

2 years ago

mia uses triangle A and says the slope of this line is 6/4.Elena use triangle B and say no,the slope is 1.5

Mekhanik [1.2K]

Incomplete question.

5 0

1 year ago

If q is inversely proportional to r squared and q=30 when r=3, find r when q=1.2

beks73 [17]

Answer:

r = 3

Step-by-step explanation:

q = k / $r^{2}$

k = q $r^{2}$ = 1.2 x 3 x 3 = 10.8

q = 10.8/ $r^{2}$

1.2 = 10.8/ $r^{2}$

r = $\sqrt{10.8 /1.2}$ = 3

4 0

1 year ago

an employer will do a 50% match on your investment to a 401k retirement plan. If you decide to contribute a monthly amount of $2

faltersainse [42]

Answer:

The amount that should be in the account after 15 years is $95,321.85

Step-by-step explanation:

According to the given data, we have the following:

monthly amount of $220=R

interest rate is fixed at 2.05%. We require the monthly ineterest rate, hence monthly interest rate= 2.05%/12=0.1708%=0.0017

t=15years×12=180 months

In order to calculate how much should be in the account after 15 years, we would have to use the following formula:

Ap=<u>R(1-(1+i)∧-t)</u>

i

Ap=<u>220(1-(1+0.0017)∧-180)</u>

0.0017

Ap=<u>162,04</u>

0.0017

Ap=$95,321.85

The amount that should be in the account after 15 years is $95,321.85

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2 years ago

Kelly asked some of her classmates how many hours of sleep they get on school nights. Here are the results:

Hitman42 [59]

All three are equal to 8

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1 year ago

Read 2 more answers