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Anna35 [415]
3 years ago
14

Use the linear combination method to add the system of equations and create a one-variable equation. x – 5y = 6 –x + 2y = –3 Whi

ch solution is correct? 7y = 3 7y = –9 –3y = –9 –3y = 3
Mathematics
2 answers:
Rashid [163]3 years ago
5 0

Answer:

D

Step-by-step explanation:

i did the assignment.

lozanna [386]3 years ago
3 0

Answer:

D

Step-by-step explanation:

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8 0
2 years ago
Solve for a.<br> a^2=-3a+88
Sergio [31]

Answer:

a=8,-11

Step-by-step explanation:

a^2=-3a+88

a^2+3a=88

a^2+3a-88=0

x=\frac{-b\pm\sqrt{b^2-4ac} }{2a}

x=\frac{-3\pm\sqrt{3^2-4(1)(-88)} }{2(1)}

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x=\frac{-3\pm\sqrt{361} }{2}

x=\frac{-3\pm19 }{2}

x=-11 and x=8

Therefore, the values of a are 8 and -11.

5 0
2 years ago
Which of the following is a function equivalent to f(x) = 5(1.9)3x?
Sophie [7]
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3 years ago
Read 2 more answers
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