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mel-nik [20]
3 years ago
15

They are 100 questions on the math test salad answered 88 of those questions correctly what percent did she get correct on the t

est
Mathematics
1 answer:
Debora [2.8K]3 years ago
4 0
88/100 = 0.88 = 88% were answered correctly
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Which point is on the graph of the function y=3x+2<br>A.(1,5)<br>B.(2,3)<br>C.(3,2)<br>D.(5,1)​
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Answer:

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Step-by-step explanation:

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3 years ago
What is the answer to 18.7 and 18.6 rounding to the nearest tenth
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MA_775_DIABLO [31]
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pickupchik [31]
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3 years ago
4x + 5y = 3 2x + 3y = 1Solve by elimination
Lesechka [4]

Answer:

The solution to the system of equations is:

x = 2, and y = -1

Explanation:

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4x + 5y = 3 ..........................................................................(1)

2x + 3y = 1............................................................................(2)

To solve this by elimination:

Multiply equation (2) by 2, to eliminate x

Equation (2) becomes

4x + 6y = 2 .........................................................................(3)

Subtract equation (1) from (3)

4x - 4x + 6y - 5y = 2 - 3

y = -1 ....................................................................................(4)

Multiply equation (1) by 3 and equation (2) by 5 to eliminate y

Equation (1) becomes

12x + 15y = 9 .......................................................................(5)

Equation (2) becomes

10x + 15y = 5 ........................................................................(6)

Subtract equation (6) from (5)

12x - 10x + 15y - 15y = 9 - 5

2x = 4

Divide both sides by 2

x = 4/2 = 2 ............................................................................(7)

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x = 2, and y = -1

7 0
1 year ago
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