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3 years ago

James knows that when he walks, he takes about 120 steps per minute and that each step is 2.75 feet long.

Mathematics

1 answer:

Degger [83]3 years ago

6 0

Answer:

Speed=120step/min=720step/h

Distance=720step/h×2.75feet/step=1980feet/h=0.375miles/h

So the answer is: he can walking 0.375miles per hour

Step-by-step explanation:

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What is the ratio of females who prefer strawberry ice cream? ( DO NOT SIMPLIFY)

Vaselesa [24]

Answer:

The answer is 15/37.

Step-by-step explanation:

There are 15 girls who like starwberry icecream, and the total of girls is 37.

So, the ratio of girls who prefer strawberry icream to the whole group of girls, 15 out of 37 (15/37 or 15:37) like strawberry icecream.

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2 years ago

Triangle OPQ is similar to triangle RST. Find the measure of side RS. Round your answer to the nearest tenth if necessary. OPQR

Andrews [41]

Answer:

RS = 75.3

Step-by-step explanation:

You need to set up the proportion of corresponding sides.

$\frac{PQ}{ST} = \frac{PO}{RS}$

$\frac{7}{31} = \frac{17}{RS}$

7(RS) = 31(17)

= 527

RS = 527/7 = 75.2857...

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3 years ago

25% of<br> what number is 21

Sergio [31]

21 is 25% of 84.......

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3 years ago

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5 more than the product of a number and 4 is equal to 3 use variable y for unknown number

Inessa05 [86]

Answer:

$(y + 4) + 5 = 3 \\ y + 9 = 3 \\ y = - 6 \\$

I'm not sure

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3 years ago

If an animal dies, what percent of the carbon-14 will be left in 20000 years?

Radda [10]

Answer:

8.898% will remain after 20000 years.

Step-by-step explanation:

First week need to know the half-life of carbon-14.

In this case it's 5,730 years.

There are calculators available online. (I'm too lazy to run through the equation.) 8.898% will remain after 20000 years.

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3 years ago