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vlada-n [284]
3 years ago
15

(6x-2y-5)-(-5+9y-8x)

Mathematics
1 answer:
pav-90 [236]3 years ago
7 0

Answer:

14x-11y

Step-by-step explanation:

6x-2y-5=5-9y+8x

eliminate opposites

6x-2y-9y+8x

collect like terms

14x-11y

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Francisca raises 76.50 and Elizabeth makes 43.50 together they makes 120
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What is 1 over 40 in decimals
Sindrei [870]

Answer:

0.025

Step-by-step explanation:

you can divide 1/40 and should get 0.025

7 0
3 years ago
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5.8 rational or irrational?
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Yes,its Rational

Step-by-step explanation:

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Solve the system with elimination. {2x-y=2, -5x+4y=-2
DaniilM [7]

Answer:

{x=2,y=2

Step-by-step explanation:

Equation 1:

Multiply both sides of the equation by a coefficient

{ 4(2x-y)=2*4

-5x+4y=-2

Apply Multiplicative Distribution Law

{8x-4y=2*4,-5x+4y=-2

8x-4y+(-5x+4y)=8+(-2)

Remove parentheses

8x-4y-5x+4y=8-2

Cancel one variable

8x-5x=8-2

Combine like terms

3x=8-2

Calculate the sum or difference

3x=6

Divide both sides of the equation by the coefficient of the variable

x=6/3

Calculate the product or quotient

x=2

Equation two:

{-5+4y=-2, x=2

-5*2+4y=-2

Calculate the product or quotient

-10+4y =-2

Reduce the greatest common factor (GCF) on both sides of the equation

-5+2y=-1

Rearrange unknown terms to the left side of the equation

2y=-1+5

Calculate the sum or difference

2y=4

Divide both sides of the equation by the coefficient of the variable

y=4/2

y=2

Hope this helps!!

6 0
2 years ago
the estimated probability of a football players scoring a touchdown during a particular game is 26% is several simulations of a
joja [24]
Given
   26% = several simulations of a football player playing two games 
Find the percentage of the simulations in each of the two games

2x = .26

2x = .26
----    -----
 2       2

x = .13 * 100
x= 13 

The answer is 13% of simulations would the football player be most likely to get a touchdown in each of the two games. 


4 0
3 years ago
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