-(-21) = -21 true or false

Mathematics

2 answers:

Kryger [21]4 years ago

8 0

Answer:

False

Step-by-step explanation:

-(-21) is positive 21 since there are 2 negative signs, and -21 is negative, therefore they are not the same.

Hope this helps!

jarptica [38.1K]4 years ago

6 0

Answer:

False. It is equal to 21.

Step-by-step explanation:

-(21) would equal -21

However,

- (- 21) equals 21

The two negatives "cancel" each other out.

Answer: False. It is equal to 21.

You might be interested in

Ajay reads aloud from a sports magazine. He comes across the measurement 0.63 kilometer. How should he read this measurement alo

Mashutka [201]

Answer:

"sixty-three hundredths of a Kilometer"

Step-by-step explanation:

Decimal measurements are read based on the place of their digits. In this case, Ajay would read this measurement as "sixty-three hundredths of a Kilometer". This is because the final digit of the decimal form measurement is in the "hundredths" position. One more to the right and it would be in the "thousandths" while one more to the left would be the "tenths"

4 0

3 years ago

Why is it a chemical change when kernels corns are heated into popcorn

r-ruslan [8.4K]

Because, you can’t take the popcorn and turn it into kernels again.

5 0

4 years ago

Read 2 more answers

For her softball uniform Meredith has a green, white, or striped jerseyShe also white, green, striped shortIf Meredith jersey an

lilavasa [31]

Answer:

probability that she'll go with a striped jersey and green shorts = ¹/₉