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3 years ago

What is the solution to the system of equations 8x-10y=-23 and 9x+10y=-16

1 answer:

3 0

8x-10y=-23
9x+10y=-16
(8x+9x)+(10y-10y)=(-23+(-16))
17x+0y=-39
x=-39/17
8(-39/17)-10y=-23
-312/17-10y=-23
-10y=-23+312/17
-10y=-79/17
y=79/170

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Vikki [24]

1.You should set up the long division.


2 Calculate 43 ÷ 7, which is 6 with a remainder of 1.


3 Bring down 1, so that 11 is large enough to be divided by 7.


4 Calculate 11 ÷ 7, which is 1 with a remainder of 4.

5 Bring down 8, so that 48 is large enough to be divided by 7.


6 Calculate 48 ÷ 7, which is 6 with a remainder of 6.


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2 years ago

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Just b I need to know, I need explanation also.

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Answer:

$\implies \: 2.6851 \text{ \: ft}$

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2 years ago

Triangle ABC has vertices at A(−3, 4), B(4, −2), C(8, 3). The triangle is translated 4 units down and 3 units left. Which rule r

mylen [45]

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Step-by-step explanation:

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Varvara68 [4.7K]

ANSWER

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EXPLANATION

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Slav-nsk [51]

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The last one is correct

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