Please help!!!!!!!!!

Mathematics

1 answer:

Degger [83]3 years ago

5 0

I’m not sure maybe 81. Sorry if I’m wrong

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Calculate the volume of the following object:

frozen [14]

Answer:

262.44 cubic metres.

Step-by-step explanation:

First, we can calculate the volume of the cylinder by doing pi * r^2 * h. In this case, r is 5 / 2 and h is 7.

pi * (5/2)^2 * 7 = pi * 25/4 * 7 = pi * 6.25 * 7 = pi * 43.75 = 3.14159265 * 43.75 = 137.4446784 cubic m.

Seconds, we calculate the volume of the cube. It is 5^3 = 5 * 5 * 5 = 25 * 5 = 125 cubic m.

137.4446784 + 125 = 262.4446784, which is about 262.44 cubic metres.

Hope this helps!

3 0

3 years ago

Read 2 more answers

The ratio of boys to girls in a class is 3:1. There are 36 students in the class. How many more boys than girls are there?

Ainat [17]

well, if you add the numbers 3+1 you get 4. from this we know that there are 4 units total. 36÷4=9 so each unit is equal to 9. we can multiply 9•3 to get 27. there are 27 boys. we can multiply 9•1 to get 9 girls. subtracting 9 from 27, we get 18 more boys that girls.

4 0

3 years ago

Read 2 more answers

Help me I’m dumb and stupid :)

wel

Answer:

The first digit of the quotient should be placed at the leftmost place of the places of the all the digits in the quotient.This is so from the basic rule of division.

Step-by-step explanation:

The quotient is given by,

$[\frac {4,839}{15}]$ [where [x] is the greatest integer function on x]

= [322.6]

= 322

and the remainder is given by,

$15 \times 0.6$

= 9

So, the first digit of the quotient should be placed at the leftmost place of the places of the all the digits in the quotient and this is so from the very basic rule of division.

8 0

3 years ago

Which expression represents "the sum of 5 and b divided by two

DIA [1.3K]

Step-by-step explanation:

<u>Break down the word expression:</u>

The sum of 5 and b divided by two

the sum (+) of 5 and b (5 + b) divided by 2.

<u>Expression:</u>

$\frac{(b + 5)}{2}$