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hram777 [196]
2 years ago
5

What is the answer?

Mathematics
1 answer:
vesna_86 [32]2 years ago
4 0
I have no idea but I need points
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Answer:

y = -1/4x + -6

Step-by-step explanation:

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2 years ago
The expression 10a+6c gives the cost (in dollars) for a adults and c children to eat at a buffet restaurant.
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Yikez that’s really hard
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3 years ago
During the day the temperature was -3 Fahrenheit at night the temperature dropped 19 Fahrenheit what was the temperature at nigh
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Step-by-step explanation:

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3 years ago
X-5y-z=-20<br><br>-2x-y-6z=25<br><br>-x-4y-z=-15<br>Solve by elimination
Tju [1.3M]

Answer:

x = 0

y = 5

z = -5.

Step-by-step explanation:

X-5y-z=-20

-2x-y-6z=25

-x-4y-z=-15

Add equation 1 and 3:

-9y - 2z = -35 .......... A

Multiply the first equation by 2:

2x - 10y - 2z = -40

Now add this to equation 2:

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Now multiply equation A by -4:

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Add equations B and C:

25y = 125

y = 5.

Substitute for y in equation A:

-9*5 - 2z = -35

2z = -45 + 35 = - 10

z = -5.

Now find x by substituting for y and z in the first equation:

x - 5(5) - (-5) = -20

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x = 0.

6 0
3 years ago
2. There are 3 marbles (yellow, blue, and
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