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alina1380 [7]
2 years ago
9

Mr. Parker bought a coat when it was on sale. He paid 70% of the original price. He paid $42 for the coat. What was the original

cost of the coat?
Mathematics
2 answers:
fenix001 [56]2 years ago
6 0

Answer:

70percent =42

100percent ×42 ÷70

100/7×42

10/7×42=60

therefore the original cost was $60

Alchen [17]2 years ago
3 0
The answer is $60 because we know %70 of the original price is $42.
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Andrews [41]

Answer:

To calculate the volume of a cylinder, you need the radius or diameter of the circular base or top and the height of the cylinder. The volume of a cylinder is equal to the product of the area of the circular base and the height of the cylinder. The volume of a cylinder is measured in cubic units.

6 0
3 years ago
Solve each system of equations. Equation 1: x+3y=-5 Equation 2: 9x+3y=3
bekas [8.4K]

Answer:

Equation 1: x-3y+5=0

Equation 2: 3x+y-1=0

Step-by-step explanation:

Equation 1: x+3y=-5

                  x+3y+5=-5+5

                  x=3y+5=0

Equation 2: 9x+3y-3=0

                   3x+y-1=0

4 0
2 years ago
Solve the system of equations x – 2y = -19 and - 3x + 5y = 48 by combining<br> the equations.
mr_godi [17]

Answer:

x= -1

y = 9

Step-by-step explanation:

to solve this system of equation

let

x - 2y = -19.....................................equation 1

-3x + 5y = 48 .................................. equation2

from equation 1

x - 2y = -19.....................................equation 1

x = -19 + 2y................................... equation 3

substitute the value of x into equation 2

-3x + 5y = 48 .................................. equation2

-3(-19 + 2y) + 5y = 48

57 - 6y + 5y = 48

combine the like terms

-6y + 5y = 48 -57

-y = - 9

divide both side by -

y = 9

put y= 9 into equation 3

x = -19 + 2y................................... equation 3

x = -19 + 2(9)

x = -19 + 18

x = -1

therefore the value of x and y is -1 and 9 respectively

3 0
3 years ago
Read 2 more answers
Need help! ILL GIVE BRAINLESIT!​
SashulF [63]

Answer:

x= 3 so it should be 22 but thats not an option....

Step-by-step explanation:

7 0
3 years ago
5x + 2y = 7
zvonat [6]

Answer:

(\frac{5}{7},\frac{12}{7})

Step-by-step explanation:

The given system is

5x+2y=7

y=x+1

We substitute the bottom equation into the top equation to get:

5x+2(x+1)=7

Expand to get:

5x+2x+2=7

Group similar terms:

5x+2x=7-2

Combine similar terms:

7x=5

x=\frac{5}{7}

Put x=\frac{5}{7} into the bottom equation

y=\frac{5}{7}+1

y=\frac{5+7}{7}

y=\frac{12}{7}

The solution is

(\frac{5}{7},\frac{12}{7})

8 0
3 years ago
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