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pashok25 [27]
2 years ago
6

Can someone help me on this. The solution to -45 = n/5 is _____. -9 9 225 -225

Mathematics
1 answer:
Oliga [24]2 years ago
3 0

Answer:

the answer is -225

you have to undo the operation that is being done to x. since it's dividing, you have to multiply both sides by 5 to "undo" what had been done. 5*-45= -225

Step-by-step explanation:

i hope this helped :)

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You just looked at the graph of this system of equations. Why will the lines never intercept?
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Answer:

Step-by-step explanation:

The have the same slope, -1, but different y-intercepts. The lines are parallel.

7 0
2 years ago
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What are the x-intercepts of the function f(x) = -2x2 – 3x + 20?
Murljashka [212]

Answer:

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Which equation has the same slope as y = 3x - 4?
OleMash [197]

Answer:

A. y = 3x - 8  

Step-by-step explanation:

y = 3x - 4

This equation is in the form

y= mx+b where the slope is m

The slope is 3

We are looking for an equation with slope 3

A. y = 3x - 8   yes  

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C. y = -3x - 9   no -3

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8 0
3 years ago
5-2x/3=x solve for x
Mrrafil [7]

5-2x/3-5=x-5

-2x/3=x-5

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8 0
3 years ago
8 times of the eight term of an arithmetic progression is equal to 12 times of the twelfth term. find its first term if the comm
Ilya [14]

Answer:

a₁ = 38

Step-by-step explanation:

Given AP, where:

  • 8a₈ = 12a₁₂
  • d = -2,
  • a₁ = ?

=============

<h3>Solution</h3>

aₙ = a₁ + (n-1)d

  • a₈ = a₁ + 7d = a₁ + 7*(-2) = a₁ - 14
  • a₁₂ = a₁ + 11d = a₁ + 11*(-2) = a₁ - 22

8a₈ = 12a₁₂

  • 8(a₁ - 14) = 12(a₁ - 22)
  • 2(a₁ - 14) = 3(a₁ - 22)
  • 2a₁ - 28 = 3a₁ - 66
  • 3a₁ - 2a₁ = -28 + 66
  • a₁ = 38
6 0
3 years ago
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