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3 years ago

Can someone please please help me?? :(

Mathematics

1 answer:

salantis [7]3 years ago

8 0

Answer:

-60 3/4m

Step-by-step explanation:

The diver first dives down 50 1/4m, which is represented by the -50 1/4m. He then descends another 10 1/2m down. So -50 1/4m - 10 1/2m.

-50-10=-60

-(1/4)-(1/2)= (1/4)+(1/2)

(1/4+1/2)=(2/8+4/8) you can only add with the same denominators.

=6/8 (simplifies down to 3/4)

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Given:

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Solution:

The formula for confidence interval is

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Therefore, the correct option is D.

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