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erica [24]
2 years ago
7

Solve by elimination -7x-20=-14 -2x+10y=-4

Mathematics
1 answer:
sweet-ann [11.9K]2 years ago
6 0
Mark brainliest please mark

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Find (-2) for (x) = 5•3*.
MAVERICK [17]

Answer:

5/9

Step-by-step explanation:

F(-2)for f(x)=5•3^x

Let x = -2

f(-2)=5•3^(-2)

      = 5 * 1/3^2

     = 5 * 1/9

     = 5/9

5 0
3 years ago
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Which sets of points are collinear?
schepotkina [342]
A set of points is collinear if the points lie on the same straight line.

From the given figure,
A) Z, J, and C are not collinear
B) H, B, and C are collinear
C) H, B, and K are not collinear
D) Z, K, and R are collinear

Answer: B and D 

5 0
3 years ago
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#10. Would I do 3length•1width•2height?
sergeinik [125]
Yes, you are right. the length is 3, the height is 2, and the width is 1

5 0
3 years ago
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If x = 2 and y = 1, then 3(y – 1) + 2x2 =
abruzzese [7]
3(1-1) +2x2

3-1+4

2+4=6
6 0
3 years ago
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Explain how you know that 88 is a solution to the equation 18x=11 by completing the sentences: The word "solution" means . . . 8
koban [17]

Correct Question:

Explain how you know that 88 is a solution to the equation 1/8x =11 by completing the sentences:

The word "solution" means . . .

88 is a solution to 1/8x=11 because . . .

Answer/Step-by-step explanation:

✔️The word solution means the value of the unknown variable, x. This means, when the value of x is substituted into the equation, the equation becomes balance as the value on the left equals the value on the right.

✔️88 is a solution to ⅛x = 11 because:

if we substitute x for 88 into the equation, both sides would be equal.

Thus:

⅛×88 = 11

11 = 11

6 0
3 years ago
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