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masha68 [24]
3 years ago
13

5x^2-44x+130=-30+16x

Mathematics
2 answers:
sweet [91]3 years ago
7 0

Answer:

if its answer for x its

Step-by-step explanation:

=4

=8

olganol [36]3 years ago
4 0
5x²-44x + 130 = -30 + 16x

5x²-44x + 130 + 30 - 16x = 0

5x² -60x + 160 = 0

devide by 5

x² - 12x + 32 = 0

(x-4) (x-8) = 0

x-4 = 0 then x = 4

x-8 = 0 then x = 8


so x=4 and x=8
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Three airports have a total of
eimsori [14]

Answer:

  1. 76.7 million
  2. 89.1 million
  3. 75 million

Step-by-step explanation:

Let x represent the arrivals and departures at the third airport. Then the number at the first airport is x+1.7, and the number at the second airport is x+14.1. The total is ...

  (x+1.7) + (x+14.1) + (x) = 240.8

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The first airport has 76.7 million arrivals.

The second airport has 89.1 million arrivals.

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3 years ago
I NEED ANSWER AND EXPLANATION BEFORE 3:30 EST PLS
Y_Kistochka [10]

Answer:

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Step-by-step explanation:

3 0
3 years ago
Solve the system of equations by graphing<br>3x+y=7<br>x+2y=4​
nignag [31]

9514 1404 393

Answer:

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Step-by-step explanation:

The graph of these equations is attached. The solution is ...

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5 0
3 years ago
Which of the following values of x is NOT a solution to the following inequality?
vova2212 [387]

Answer:

A. 1

Step-by-step explanation: You have to substitute the numbers in for x

A. 1:

-5x -1 < -9

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-5 - 1 < -9

-6 < -9


B. 2:

-5x - 1 < -9

-5(2) - 1 < -9

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-11 < -9


C. 3:

-5x - 1 < -9

-5(3) - 1 < - 9

-15 - 1 < -9

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D. 4:

-5x - 1 < -9

-5(4) - 1 < -9

-20 - 1 < -9

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  • Remember, a negative plus another negative is a negative

Hope this helps you!!! :)

8 0
3 years ago
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