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PSYCHO15rus [73]
3 years ago
10

Solve the system of equations. 13x−y=90

Mathematics
1 answer:
SpyIntel [72]3 years ago
8 0
Just squish the two equations into one equation and idk im just typing this because i apparently need a twenty character long answer

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Graphs of more than one function f(4)=<br> If g(x)=2,x=
Mamont248 [21]

Answer:

f(4)= 11

If g(x)=2, x=0

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3 years ago
Find the value of 7×+2y when x=2and y=-9
jeka94
The answer should be -4,
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6 0
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What is x in this Math problem 2/3x=27
jek_recluse [69]

Answer: x = 40.5

Step-by-step explanation:

Simply divide 27/(2/3) to get 40.5

<em>Hope it helps <3</em>

4 0
3 years ago
Read 2 more answers
Consider the quadratic equation x2 − 6x = 16.
e-lub [12.9K]

Answer:

  1. C) (x − 3)2 = 25
  2. C) Factor out 4 from 4x2 + 40x.

Step-by-step explanation:

1. Adding the square of half the x-coefficient to both sides of the equation will "complete the square." That square is 9, so the result on the right is 16+9 = 25. Only selection C matches.

___

2. To complete the square, you want to be able to put the quadratic into the form a(x -h)^2 = -k. For the purpose, it is most convenient to first factor "a" from the given quadratic. Then you can determine "-h" to be half the x-coefficient inside the parentheses.

Here, that looks like ...

  4(x² +10x) = 80 . . . . . . . . . . step 1: factor out 4

  4(x² +10x +25) = 180 . . . . . add 25 inside parentheses and the same number (4·25) on the right side of the equation

  4(x +5)² = 180 . . . . . . . . . . . written as a square

8 0
3 years ago
PLEASE HELP STRAIGHTAWAY:
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Answer:

2 times

Step-by-step explanation:

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3 years ago
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