3 years ago

I need help with this question, thanks!

Mathematics

1 answer:

Leto [7]3 years ago

4 0

Answer:

Charlie would take 72 minutes to run 9 laps

Step-by-step explanation:

To get 9, multiple 2 by 4.5 which will equal 9

Then you multiply 16 by 4.5 which is 72

2 laps = 16 minutes so that's why we used those numbers for an example

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ser-zykov [4K]

Answer:

width = 18 cm

Step-by-step explanation:

perimeter of rectangle = 2(length + width)

then:

90 = 2(27+w)

90/2 = 27+w

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45 = 27+w

45 - 27 = w

18 = w

Check:

90 = 2(27+18)

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2 years ago

In a right triangle, the value of cos B = 3/5. What is the value of sin B?

ozzi

Answer:

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Step-by-step explanation:

cos B = 3/5

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Answer:

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Step-by-step explanation:

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