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2 years ago

PLEASE HELP ME!!! ON THE FIRST QUESTION!

Mathematics

2 answers:

soldier1979 [14.2K]2 years ago

8 0

I don’t see anything?

MrMuchimi2 years ago

5 0

Answer:

9ber

Step-by-step explanation:

Aight will do

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What percentage is equal to 2/5?

nikdorinn [45]

40%

Because, 2/5 equals 4/10. 10x10=100, so 4x10=40, so 40%.

6 0

2 years ago

Read 2 more answers

Is this multiplication? Can you also help me with the answer!?

vredina [299]

Answer:

84,375 m^2

Step-by-step explanation:

We need to find the surface area of the pyramid. The pyramid can be divided into 4 triangles and one square (the bottom).

Area of a triangle is 1/2*b*h where b is the base of the triangle and h is the height.

Area of a square is length times width.

Total area = $4\times(\frac{1}{2}\times 225 \times 75)+225\times225 = 84375 m^2$

3 0

3 years ago

Judd worked 40 hours this week. He worked 7/10 of the hours outside and the rest inside. How many hours did he work outside?

Mnenie [13.5K]

If you would like to know how many hours did Judd work outside, you can calculate this using the following steps:

40 hours
outside: 7/10 of the hours = 7/10 * 40 hours = 7/10 * 40 = 28 hours

Judd worked 28 hours outside.

3 0

3 years ago

There are 10 less trumpet players than saxophone players. The number of saxophone playere is 3 times thr number of trumpet playe

just olya [345]

I'm guessing it 30 it says 3 times the nber of trumpet players

7 0

2 years ago

a cylindrical well has a radius of 10 feet and a height of 15 feet what volume of water will it take to fill in the well

vampirchik [111]

Volume of water will it take to fill in the well is 4710 cubic feet

<h3><u>Solution:</u></h3>

Given that a cylindrical well has a radius of 10 feet

Height of cylindrical well = 15 feet

To find: volume of water will it take to fill in the well

Since, the well is in the form of cylinder, This means that we need to find the volume of cylindrical well

<em><u>The volume of cylinder is given as:</u></em>

$\text { Volume of water in the well }=\pi r^{2} h$

Where "r" is the radius and "h" is the height of cylinder

Substituting the given values we get,

$\begin{array}{l}{\text { Volume of water in the well }=(3.14) \times(10)^{2} \times(15)} \\\\ {=(3.14) \times(1500)=4710}\end{array}$

$\text { Volume of water in the well }=4710 \text { feet }^{3}$

Hence, the amount of water that can be stored in the well is 4710 cubic feet

7 0

3 years ago