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1 year ago

A number is cut in half

Mathematics

2 answers:

cupoosta [38]1 year ago

7 0

Answer:

Step-by-step explanation:

scZoUnD [109]1 year ago

7 0

Well since 10 was added and the final number is 26, you first want to subtract 10 from 26:

16

And before 10 was added the number was cut in half, which means you now need to multiply by 2:

32

The original number is 32.

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A, 4x= -28

netineya [11]

Answer:

A. x = -7, B. x = -8, C. x = 9, D. x = 2, E. x = -3

Step-by-step explanation:

A. 4x= -28

Divide both sides by 4.

$\frac{4x}{4\\}$ = $\frac{-28}{4}$ . x= -7

B. x- -6= -2 -> x+6= -2

Subtraction 6 to both sides.

x- +6-6= -2-6, x= -8

C. -x+= -9 -> x= 9

D. -3x+7=1

Subtraction 7 to both sides.

-3x+7-7 =1-7 , -3x=-6

Divide both sides by -3.

$\frac{-3x}{-3}$ = $\frac{-6}{-3}$ , x= 2

E. 25x+-11= -86 -> 25x-11= -86

Add 11 to both sides.

25x-11+11= -86+11, 25x= -75

Divide both sides by 25.

$\frac{25x}{25}$ = $\frac{-75}{25}$ , x= -3

2. 2x+9= -15

Subtraction 9 to both sides.

2x+9-9= -15-9, 2x= -24

Divide both sides by 2.

$\frac{2x}{2}$ = $\frac{24}{2}$ , x= 12

I don't think there's an answer.

I hope it helps you!

5 0

2 years ago

Two people bought gas .Each gallon of gas cost the same amount.The money that they spend in dollars is represented by the expres

nata0808 [166]

=75 he bought each person 10

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3 years ago

A pyramid has a base off 100 m^2 and a height of 60 m. What is the volume of the pyramid?

scoray [572]

V=2000m³it is b........

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3 years ago

I don't think this is correct plz check me

Readme [11.4K]

Answer:

The answer is the first one

Step-by-step explanation:

The cost of an adult ticket is $15

The price of an adult ticket is 1/2 the price of a student ticket plus $8

x is the cost of a student ticket, so

1/2(x) + $8 = $15

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3 years ago

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Trava [24]

Answer:

y=x(squared) -6x+5

Step-by-step explanation:

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