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padilas [110]
2 years ago
11

Number 2 and please provide a step by step explanation!!!!

Mathematics
2 answers:
Alekssandra [29.7K]2 years ago
8 0

The number of students in 5th grade is 60, since 24% of 250 is 60.

Since 90 is 38% if 250, 38 is going to be the percent of all students in sixth grade.

20% of 250 is 50, so the percent of all students in seventh grade is 50.

Finally, 45 is 18% of 250, so 18 percent of all students are in eight grade.

Hope this helped :)

vova2212 [387]2 years ago
5 0

Answer:60,38%,50,18%

Step-by-step explanation:

For 5th graders you have to change the 24% into a decimal as 0.24 then times 250

The second one you have to divide 95 by 250 and it will give you your answer just do the same with each question if their is percent you multiply and if their is numbers of students you divide by 250

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Write a division problem that has a two digit quotient that is greater than 40 but less than 50.
trasher [3.6K]

Let

x--------> Dividend

y-------> Divisor

Q-------> Quotient

we know that

\frac{x}{y} = Q

solve for x

x=Q*y

40 < Q < 50

Examples

example 1

Q=45\\ y=4

Find the value of x

x=45*4\\ x=180

A division problem is equal to

\frac{x}{y} =\frac{180}{4} \\\\ = 45

example 2

Q=42\\ y=10

Find the value of x

x=42*10\\ x=420

A division problem is equal to

\frac{x}{y} =\frac{420}{10} \\\\ = 42

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3 years ago
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A tree has a circumference of 16 ft. Calculate the volume of wood it contains if the tree is 10ft tall. Round your answer to the
Veronika [31]

Answer:

Step-by-step explanation:

The circumference of the tree is the distance around the tree's circular top. The formula for determining the circumference of a circle is expressed as

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2πr = 16

πr = 16/2 = 8

r = 8/π

The formula for determining the volume of a cylinder is expressed as

Volume = πr²h

if the tree is 10ft tall, then the volume of wood it contains is

Volume = π × (8/π)² × 10

Volume = 64/π × 10

Volume = 64/3.14 × 10

Volume = 204 cubic feet

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