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inysia [295]
3 years ago
15

Emily and sarah had a total of$80. After Sarah spent 1/3 of her money and Emily spent $17, Emily had twice as much money as Sara

h. How much more money did Emily have at first?
Mathematics
1 answer:
pshichka [43]3 years ago
6 0
You need to add ur fraction and add and sub the rest
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Solve this system of equations
olga_2 [115]

Answer:

D) x = 4, y = -2, z = 3

Step-by-step explanation:

x = 3z − 5

2x + 2z = y + 16

2(3z - 5) + 2z = y + 16

6z - 10 + 2z = y + 16

8z = y + 26 ---> (A)

7x − 5z = 3y + 19

7(3z - 5) - 5z = 3y + 19

21z - 35 - 5z = 3y + 19

16z = 3y + 54 ---> (B)

8z = y + 26

16z = 3y + 54

2(y + 26) = 3y + 54

2y + 52 = 3y + 54

y = -2

8z = -2 + 26

8z = 24

z = 3

x = 3(3) - 5

x = 4

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3 years ago
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anzhelika [568]
For the zero product property questions it's choices 2 and 3 since they're quadratics factored and set equal to zero.

for the quadratic formula questions it would be answer choices 2 and 3 also because they're unfactored trinomial quadratic expressions
6 0
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Tomtit [17]
I believe the answer is Chord AB
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2 years ago
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pav-90 [236]

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IQR: 20

Range: 52

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What is the x integer for the equation y=3x- 2
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