3 years ago

This list shows the number of years that 99 U.S. Supreme Court Justices served.

Mathematics

1 answer:

mariarad [96]3 years ago

5 0

Answer:

d.8?

Step-by-step explanation:

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Solve the system of equations by substitution.<br> X=-4y<br> X+5y=2

Eduardwww [97]

X= -4y let this be equation 1
x+5y=2 let this be equation 2

substitute equation 1 in 2

-4y + 5y = 2

y=2

substitute the value of y in equation 1

x= -4y
x= -4(2)
x= -8

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3 years ago

Joy bought pens at $ 120 a dozen. He sold it for $15 each. What is his profit percent?

Mazyrski [523]

Answer:

50%

Step-by-step explanation:

He sold it for Rs 15 each. What is his profit percent? CP of 1 pen = 120/12= 10 SP of 1 pen = 15 Profit = 5 P % = (p/CP)*100=(5/10) x 100 = 50%.

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2 years ago

What is the conversion factor to convert kilometers to miles?

GREYUIT [131]

Answer:

1 kilometer = 0.621371 mile

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Step-by-step explanation:

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3 years ago

Which fraction is greater than 1/2 Choices: 1/4, 2/6, 3/8, 3/4

SVETLANKA909090 [29]

3/4 is greater than 1/2

5 0

3 years ago

Read 2 more answers

Solve for x <br> - 3 (x - 4) = 2x + 4x + 5

In-s [12.5K]

Answer:

$x=\frac{7}{9}$

Step-by-step explanation:

-3(x-4)=2x+4x+5

distribute -3 into (x-4)

-3x+12=2x+4x+5

combine like terms

-3x+12=6x+5

subtract 6x on both sides

-3x-6x+12=5

combine like terms again

-9x+12=5

subtract 12 on both sides

-9x=-7

divide both sides with -9

$\frac{-9x}{-9} \frac{-7}{-9}$

x= $\frac{7}{9\\}$

hope this helps

3 0

3 years ago