A pyramid has a base off 100 m^2 and a height of 60 m. What is the volume of the pyramid?

Mathematics

1 answer:

scoray [572]3 years ago

7 0

V=2000m³it is b........

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Students who attend Washington middle school are either in seventh or eighth grade. At the end of the first semester 25% of the

marin [14]

Answer:

There are 1240 students at Washington middle school.

Step-by-step explanation:

Percentages and Portions

We can find portions of a whole by correctly managing the percentages of each part. We know 25% of all students at Washington middle school were on the honor roll. From that portion, 60% of the students are seventh graders. That means 40% of the 25% are eight graders, i.e. 40*25%=10% were from eight grade.

We have 10% of all students are 124, thus the number of students are 124/10%=1240

There are 1240 students at Washington middle school.

Let's test the answer. 25% of 1240 students are on the honor roll, which is 310 students. 40% of 310 students are from 8th grade, 40%*310 = 124 as stated in the problem

5 0

3 years ago

Which choices are equivalent to the expression below? Check all that apply. 3√6

Ulleksa [173]

Answer:

$\sqrt 54$