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kotykmax [81]
2 years ago
11

Evaluate -5x-6y when x=-4 y=4

Mathematics
1 answer:
Georgia [21]2 years ago
8 0

Answer:

-4

Step-by-step explanation:

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Given the system of equations presented here:
Nata [24]
2x + 4y = 14
4x + y = 20......multiply by -4
----------------
2x + 4y = 14
-16x - 4y = -80 (result of multiplying by -4)
---------------add
-14x = -66....as u can see, ur y's cancel out

so ur answer is : 1st answer choice <==

** and just so u know, u could have multiplied the 1st equation by -2, and it would have cancelled out ur x's
6 0
3 years ago
What kind of decimal is 1/9 ?
olga2289 [7]

Answer:

1/9 as a decimal is 0.111111111

Step-by-step explanation:

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3 years ago
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What is true about the graphs of y=x(squared)-2 and y = x(squared) + 2?
Kobotan [32]

Step-by-step explanation:

B. One of the graphs is positioned 4 units lower than the other.

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4 0
2 years ago
There are 15 girls and 25 boys in a science club what percent of the members were girls
otez555 [7]
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total #      total #
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15/40 as a fraction ---> simplify ---> 3/8
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3 years ago
A easy question help.
Citrus2011 [14]

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170ft

Step-by-step explanation:

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