(a) Estimate the number of boys at Hillview.

Mathematics

1 answer:

3241004551 [841]4 years ago

4 0

I say around 210-220 is a good answer

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Mrs. Bonilla is a saleswoman at a furniture store. Her commission on rugs is 10% and her commission on furniture is 15%. Her goa

lara31 [8.8K]

<span>so here is how you can answer this:

Your commission must be equal to the sum of the 10% of the value of the rug and the 15% of the value of the furniture and equate this to the value of your commission. Translate this to a mathematical equation, you would get,

Commission = (10%) (value of rugs) + (15%) (value of furniture).
substituting the known values,

5000 =.1 * x + .15 * 12500.

Now it's a matter of finding for x. You should get,

x = $31,250.</span>

8 0

3 years ago

Given the lengths of two sides of a triangle, find the range for the length of the third side (between what two numbers should t

frozen [14]

Answer:

The length of the third side of given triangle lies between 6.5 and 19.9.

Step-by-step explanation:

The law of cosine is as follows

$c^{2} =a^{2}+b^{2}+2abcos\alpha$ ---------------1