3 years ago

Prove: If a^2-a is even then a is even.

1 answer:

Alla [95]3 years ago

6 0

This is not always true. Consider $a=3$ . Then $3^2-3=9-3=6$ is even, but $a$ is odd.

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statuscvo [17]

Answer:

1 and 1/4 cups of sugar for 5 batches

Step-by-step explanation:

3/4 cups for 3 batches

1/4 cup for 1 batch

multiply by five

5/4 or 1 and 1/4 cups for 5 batches

8 0

3 years ago

Helen [10]

47x-12

by step
36x -12 +11

8 0

3 years ago

malfutka [58]

Divide 47 by 100. you will get a decimal. move the decimal two places the right and there is your percent!

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3 years ago

Sergio [31]

(b⁷/4⁵)⁻³

= (4⁵/b⁷)³

= 4¹⁵/b²¹

Therefore answer is option b

Must click thanks and mark brainliest

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3 years ago

ANTONII [103]

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2 years ago