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vekshin1
3 years ago
12

owynn wants to buy a computer that normally costs $689.99 but is on sale for 5% off. If he waits two weeks the same computer wil

l be on sale for 15% off . Owynn wants to calculate the cost of the computer for both sales
Mathematics
1 answer:
EastWind [94]3 years ago
7 0
Sorry I don’t have a calculator with me atm but if you just put this into a calculator you’ll have the answer
So I use decimal multipliers for discounts to do this just change your percentage into a decimal with 100% as 1.00 so if it were increasing by 5% it would be 1.05 since it’s a sale the decimal would be 0.95 you can now multiply this to the original price to find this new price
So 689.99 x 0.95
If you follow this again for the 15% sale then the decimal multiplier would be 0.85
So 689.99 x 0.85
Just put these into a calculator and you’ll get your answers
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4 0
3 years ago
How to divide 4 digits by 2 digits
Tresset [83]

Put the 4 digit number inside the division bracket  and the 2 digit number on the outside( left).

let's say the 2 digit number is 34

and let's say that the 4 digit number is 5678


    the set up would look like this

    34  / 5678

1. you want to look at the first two numbers of the dividend and see if 36 goes into it. This means: what number multiplied 36 will equal or be less than 56.

         36 goes into 56 once

2. you,d then and 1 to your answer and subtract 36 from 56


56-36 = 20


3. now you will bring the next number down that you haven't used, which is seven.


4. 36 goes into 207 how many times?

      5times

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6. you'd add 5 to your answer ( so far you have : 15 )

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3 0
3 years ago
Find f(-3), f(-1), and f(1)
suter [353]

Answer:

I will just show you how to substitute.

Step-by-step explanation:

all you have to do is just plug f(x) into the number you want. So if you see any x's, all you gotta do is plug that number after f for x.

So an example of an equation for one of your number is:

f\left(x\right)=x^2+x

you then want to plug the number after f for the x's. (I'm doing f(-3).

f\left(-3\right)=\left(-3\right)^2-3

You then should get the equation above.

after that you solve.

f\left(-3\right)=9-3

f\left(-3\right)=6

just follow these steps and you should be fine :))

3 0
3 years ago
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Well the other guy had 20% but then he got five dollars now it is 25% so what is 25% +25%
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3 years ago
What is the quotient of 4/11 and 12/7?
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Answer: C. 7/33

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6 0
3 years ago
Read 2 more answers
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