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REY [17]
3 years ago
6

Do Number 20 PLEASE I have 2 go to sleep so someone Answer this

Mathematics
2 answers:
MrMuchimi3 years ago
8 0
You just have to draw a number line where you put the numbers in order. I brought all fractions to one common denominator which is 20 and plotted them on the number line.

kramer3 years ago
6 0
First, you look for a common denominator, which is 20.  Since 2 is a multiple of 20, you need to multiply it by 10.  Since you multiplied it by 10, you also need to multiply the numerator by 10, giving you 10/20.  Remember, you do not multiply the whole number in front of the fraction.  You also do the same thing with the first one. Since you need to multiply the denominator by 4, you also need to multiply the numerator by 4, making it 16/20.  Now that you have all of the denominator the same, you can now figure out the order from least to greatest by looking only at the numerator.  I trust you that you know which ones are greater and which one are lesser. 

I hope i helped you.  Reply back if you don't understand anything.
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Mario took clothes to the cleaners three times last month. first, he brought 3 shorts and 1pair of slacks and $10.96. then, he b
valina [46]

Let us say that:

x = cost of shorts

y = cost of slacks

z = cost of sports coat

 

From the given statements, we can create the following equations:

eqtn 1: 3 x + y = 10.96

eqtn 2:  7 x + 2 y + z = 30.40

eqtn 3:  4 x + z = 14.45

 

Rewrite eqtn 1 explicit to y:

y = 10.96 – 3 x                    --> eqtn 4

 

Rewrite eqtn 3 explicit to z:

z = 14.45 – 4x                     --> eqtn 5

 

Plug in the values of y (eqtn 4) and z (eqtn 5) to eqtn 2:

7 x + 2 (10.96 – 3 x) + 14.45 – 4 x = 30.40

7 x + 21.92 – 6 x + 14.45 – 4 x = 30.40

- 3 x + 36.37 = 30.40

- 3 x = - 5.97

x = 1.99

 

Eqtn 4:

y = 10.96 – 3 x   

y = 10.96 – 3 (1.99)

y = 4.99

 

Eqtn 5:

z = 14.45 – 4x

z = 14.45 – 4 (1.99)

z = 6.49

 

 

Therefore each shirt cost $1.99, each slacks cost $4.99, and each sports coat cost $6.49.

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7 0
3 years ago
Evaluate the following <br><br><br> You may express your answer as a fraction or as a decimal.
denis-greek [22]
Fraction form is -5/9
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3 years ago
The sum of two numbers is 58 . the larger number is 18 more than the smaller number. what are the numbers?
mamaluj [8]
58-18=40 40/2=20 20 20+18=38 Answer is 38 & 20
3 0
2 years ago
Which mathematical concepts were the result of the work of René Descartes? Check all that apply.
VladimirAG [237]

Answer:

Hi! Sorry this is coming a bit late, But your answer is B: formula for the slope of a line, D: problem solving by solving simpler parts first, and E: Cartesian plane for graphing. I hope this helps in any way! ^_^

Step-by-step explanation:

5 0
3 years ago
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A bookstore is having a sale in which customers can purchase 10 books for a price of b dollars. Which expression represents the
kirill115 [55]

The answer is D.........

4 0
3 years ago
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