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oksian1 [2.3K]
3 years ago
7

Which expression is equivalent to 6 - (-21) ? * O 6-21 O 6+21 O-21-6 0 -21 +6

Mathematics
2 answers:
AlekseyPX3 years ago
6 0
It would be 6 + 21 because when you have to negatives together it turns into a plus sign
6-(-21)
6+21
Westkost [7]3 years ago
4 0
6+21 because when u multiple -1 with -21 it gives u +21
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3 years ago
Monica spent 3/4 hours listening to tapes of Beethoven and Brahms. She spent 1/5 hours listening to Beethoven . How many hours w
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Step-by-step explanation:

We are given the following in the question:

Amount of time spent  listening to tapes of Beethoven and Brahms =

=\dfrac{3}{4}

Amount of time spent  listening to Beethoven =

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Total time spent listening to Brahms =

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7 0
3 years ago
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Step-by-step explanation:

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v=2-2.5

v=-0.5m/s²

hope it helps.

8 0
2 years ago
Read 2 more answers
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