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3 years ago

René is twice as old as Jim In four years the sum of their ages is 60 how old are they now

Mathematics

1 answer:

Brrunno [24]3 years ago

3 0

R=16
J=32
20+40(which is 20×2)=60
20-4=16
16×2=32

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Mrs. Lane took a survey of the types of pants her students were wearing. She collected the data at the right. What percent of he

Nadya [2.5K]

Answer:

It is always important to go through the given problem first to get a concept of the requiremement. Then all the information's available from the question has to be noted down in such a manner that there would be no need to look at the question while solving.

Total number of students wearing jeans = 10

Total number of students wearing shorts = 9

Total number of students wearing capris = 2

Then the total number of students surveyed by Mrs Lane = (10 + 9 + 2)

= 21

Now percentage of students wearing shorts = (9/21) * 100

= (3/7) * 100

= 300/7

= 42.85 percent

So a total percentage of 42.85% of the students were wearing shorts.

Step-by-step explanation:

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3 years ago

Least common multiple of 70, 60, and 50

goldenfox [79]

70 = 7 x 2 x 5
60 = 2² x 3 x 5
50 = 2 x 5²

LCM = 2 x 3 x 5 x 7 = 210

Answer: LCM = 210

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3 years ago

10 more than a number c is 3

Eddi Din [679]

Answer:

c is -7

Step-by-step explanation:

-7 + 10 = 3

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2 years ago

Look at the formula for the volume of a cylinder below.

scZoUnD [109]

$h = V / ( \pi r^2)$

Okay, so we already have the volume equation for a cylinder here.
$V = \pi r^2 h$
Since we need to find the height(h), we need to basically isolate it in the equation. To do that we just have to divide both sides by (pi * r^2), where we end up with:
$V / (\pi r^2) = h(\pi r^2) / (\pi r^2)$
then
$V / ( \pi r^2) = h$
$h = V / ( \pi r^2)$

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3 years ago

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Answer:

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3 years ago

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