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Norma-Jean [14]
2 years ago
9

Khloe goes to a store an buys an item that costs xx dollars. She has a coupon for 15% off, and then a 8% tax is added to the dis

counted price. Write an expression in terms of xx that represents the total amount that Khloe paid at the register.
Mathematics
1 answer:
SSSSS [86.1K]2 years ago
7 0

Answer:

0.93x

Step-by-step explanation:

the total amount is:

x(1-15%+8%)=0.93x

so the answer is 0.93x

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Clayton's bank offered him a 4.5% interest rate for his mortgage. If he purchases 3 points, what will his new rate be?
RSB [31]

Answer:

4.125%

Step-by-step explanation:

3 0
3 years ago
The correlation between height and weight for a certain breed of plant is found to be 0.75. What percentage of the variability i
WINSTONCH [101]

Answer:

The percentage of the variability in plant weight is NOT explained by height is  

      p = 43.75%

Step-by-step explanation:

From the question we are told that

      The correlation between height and weight is  r = 0.75

Generally the R-Squared  between height and weight is mathematically represented as

        R - square  =  r^2

substituting values

         R - square  =  0.75^2

         R - square  =  0.563

This R-Squared tells us the percentage of plant weight is accounted by height

and from the calculation we see that it is  56.3%

Now the percentage of plant weight that is not accounted by height is

          p =  100 - 56.3

          p = 43.75%

3 0
3 years ago
Okay so imugwy and wat is 100*3/6
jonny [76]

Answer:

what is your questions mate I mm didn't understand ¯\_(ツ)_/¯

Step-by-step explanation:

,When a percent amount is multiplied to another number, the operation produces a value that equals the given percent of the original number. ... Multiplying a number by 100 percent is a just variation of the multiplicative identity and will result in the value being unchanged.

4 0
3 years ago
Are the graphs of the lines in the pair parallel? Explain.<br> y = 4x + 6<br> -15x + 3y = -45
seropon [69]

They are not parallel. The slopes are not the same. One is a slope of 4 the other is aslope of 5.

3 0
3 years ago
Michael went to gas company a,and paid $20 for 8 gallons of gas
patriot [66]
If you are asking for how much each gallon of gas costs.

You will need to do the following 

Take 20 and divide it by 8 

20/8

You will get 2.5

Answer: So Michael paid $2.5 per gallon of gas

Hope I helped!
6 0
3 years ago
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