There are 39 boys.
First you divide 4 into 52 because there are 3 boys for 4 girls.
Then you take the quotient, 13, and multiply by 3.
D because it can't be unique since many triangles can share these characteristics. It can't be more than one triangle and the triangle is possible.
Answer:
D
Step-by-step explanation:
Call the first person A who can do the job in 5 hours.
Call the second person B who can do the job in 7 hours.
The formula for this problem is
Time = A*B/(A + B)
Time = 5*7 / (5 + 7)
Time = 35 / 12
Time = 2 hours and 11/12 of an hour.
The answer is D.
14. (n-5)*4+7
15. No, this would not be neccesary because if I were to distribute 1/2 to both 4 and 6, I know that I would get half of those numbers which would give me 2x+3. I also know that if I distribute 1/3 to both 9 and 24, I would get 1/3 of each number which would be 3 and 8.
Candice's bracelet is made from silver because the volume of her bracelet is; 1.72cm³
<h3>Density, Mass and Volume</h3>
By definition, the density of an object is the ratio of its mass per unit volume.
Hence, for silver;
Volume = 1.72cm³.
Read more on Density;
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