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wolverine [178]
3 years ago
6

Solve the equation. 3(k−6)=15

Mathematics
1 answer:
Natali [406]3 years ago
8 0

Answer:

K = 11

Step-by-step explanation:

3(k - 6) = 15

3k - 18 = 15

3k = 15 + 18

3k = 33

K = 33/3

K = 11

Thus, the value of K is 11

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Can some one help me plz with step by step<br> x^2 + x - 42
Alexeev081 [22]

Answer:

x = 6 or x = -7

Step-by-step explanation:

Solve for x over the real numbers:

x^2 + x - 42 = 0

The left hand side factors into a product with two terms:

(x - 6) (x + 7) = 0

Split into two equations:

x - 6 = 0 or x + 7 = 0

Add 6 to both sides:

x = 6 or x + 7 = 0

Subtract 7 from both sides:

Answer: x = 6 or x = -7

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Step-by-step explanation:

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3 years ago
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A prism with a base area of 8 cm² and a height of 6 cm is dilated by a factor of 5/4 .
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