3 years ago

Evaluate if k = 3. k2 + 5 = [?]

Mathematics

1 answer:

Grace [21]3 years ago

8 0

Answer:

k=3 (3)x2+5=11

Hope this helps you and good luck :)

Step-by-step explanation:

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3 years ago

The sum of two numbers is 30. If three times the smaller number is equal to two times the bigger one, find the numbers.

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Let the smaller number be x and the bigger number be y.
Therefore, 3x = 2y $= > x = \frac{2y}{3}$ $x + y = 30 \\ = > \frac{2y}{3} + y = 30 \\ = > \frac{2y + 3y}{3} = 30 \\ = > \frac{5y}{3} = 30 \\ = > y = \frac{30 \times 3}{5} \\ = > y = 18$
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Answers:

Answers:The smaller number is 12.

Answers:The smaller number is 12.The bigger number is 18.

Hope you could understand.

If you have any query, feel free to ask

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