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Otrada [13]
3 years ago
10

Solve this equation

Mathematics
1 answer:
marishachu [46]3 years ago
5 0

Answer:

k=-11

Step-by-step explanation:

Rewrite the Equation.

\frac{k+3}{2} =-4

Multiply both sides of the Equation by 2.

2*\frac{k+3}{2}=2*-4

Simplify both sides of the Equation.

k+3=-8

Move all terms not containing k to the right side of the Equation.  

k=-11

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2n-n-4+7n in simplest form
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3 years ago
All students = 700
Sedaia [141]

Answer:

  • See below

Step-by-step explanation:

<u>Given:</u>

  • Total number = 700
  • Off grid class = 450
  • Online class = 320
  • Both = 275

<u>Based on the given we find the following</u>

1) <u>Off-grid class only:</u>

  • 450 - 275 = 175

3) <u>Online class only:</u>

  • 320 - 275 = 45

2) <u>None of the classes:</u>

  • 700 - (175 + 275 + 45) = 205

4) <u>Not online:</u>

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5) <u>Not off-grid:</u>

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7 0
3 years ago
FONTS
Wewaii [24]

Answer:

x=5

Step-by-step explanation:

9x^2 - 2x + 25 = 8x^2 + 8x

9x^2-8x^2-2x-8x+25=0

x^2-6x+25=0 factorize

(x-5)(x-5)=0

x-5=0 then x=5

8 0
3 years ago
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