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just olya [345]
3 years ago
14

What is 30% of what number is 15

Mathematics
2 answers:
lyudmila [28]3 years ago
8 0

Answer:

4.5

Step-by-step explanation:

30% x 15=

(30 x 15) / 100=

450/ 100=

4.5

Elina [12.6K]3 years ago
3 0

Answer:

4.5  

just follow the rules of finding percents and you will find you answer

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A home builder wants 5 5 acres of land split into 13 13 equal sections. Three of these expressions give the number of acres of l
stepladder [879]

Answer:

Check Explanation

Step-by-step explanation:

The options to be examined for the wrong one isn't presented, and it wasn't obtainable online, So, I'll exhaustively cover all the common possible answers!

5 acres of land. Acres is a unit of measurement that is most pecuilar to land. It is basically expressing the area of the land.

So, if 5 acres of land is to be divided into 13 sections with equal areas.

Each of the 13 land areas will have an area of (5/13) = 0.385 acre

1 acre = 4046.856 m²

5 acres = 20,234.28 m²

Each of the 13 land areas will have an area of (20234.28/13) = 1556.5 m²

1 acre = 43560 ft²

5 acres = 5 × 43560 = 217,800 ft²

Each of the 13 land areas will have an area of (217800/13) = 16,753.85 ft²

1 acre = 0.00156 square miles

5 acres = 5 × 0.00156 = 0.0078 square miles

Each of the 13 land areas will have an area of (0.0078/13) = 0.0006 square miles.

So, basically, whatever units one converts the area to, just divide the value by 13 and one obtains the area of each of the 13 portions of land that makes up the 5 acres.

Hope this Helps!!!

4 0
3 years ago
Read 2 more answers
Find the perimeter of this question.
lilavasa [31]
Finding the perimeter with all known sides is very easy. All you need to do is add up all of the sides. In this case the answer is 58 in. Hope this helps!
3 0
3 years ago
Miguel is 8 years older than half of Chen's age. If Chen is 20 years old, how can Miguel's age be
EleoNora [17]

Answer:

A) Divide 20 by 2 and then add 8 to the result

Step-by-step explanation:

\frac{20}{2}+8=10+8=18

8 0
4 years ago
PLEASE HELP!!!
antiseptic1488 [7]
Woohhh ok so this is how we will go ahead and do this cool thing today for the rest of the week
5 0
3 years ago
If c=25 and B=75 degrees, find a. Round to the nearest tenth.
worty [1.4K]

Answer:

a=6.9

Step-by-step explanation:

Since you know that C is a right angle, you can use the Law of Sines to find a. The first step is to find the size of the angle A, which is 180-74-90=16. Now, you set up a ratio that involves 3 knowns and one unknown to get \frac{\sin(90^\circ)}{25} = \frac{\sin(16^\circ)}{a}, which after cross multiplying yields a=\sin(16^\circ)\cdot25\approx 6.9. PM me if you have any questions?

5 0
3 years ago
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