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quester [9]
3 years ago
11

What is the least common denominator of 3/7 and 1/9 helppp i need it nowww

Mathematics
1 answer:
dimulka [17.4K]3 years ago
5 0

Answer:

<u><em> 63</em></u>

Step-by-step explanation:

Rewriting input as fractions if necessary:

3/7, 1/9

For the denominators (7, 9) the least common multiple (LCM) is 63.

LCM(7, 9)

Therefore, the least common denominator (LCD) is 63.

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Simplify the expression. (x^2 - 9)/(x^2 + 2x - 15)
tia_tia [17]

Answer:

We have

\frac{x^2-9}{x^2+2x-15}

\frac{\left(x+3\right)\left(x-3\right)}{x^2+2x-15}

\frac{\left(x+3\right)\left(x-3\right)}{\left(x-3\right)\left(x+5\right)}

\frac{x+3}{x+5}

∴The answer is D

4 0
3 years ago
If the salesperson earned a $1500 commission, what was the price of the car? Determine the price
dalvyx [7]

Answer:

it's 7500

Step-by-step explanation:

20% of 7500 is 1500. General tip, commission is usually 25%

7 0
3 years ago
Simplify the fraction <br> 225/60
ss7ja [257]

Answer:

15/4

225/60=45/12=15/4

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3 0
3 years ago
Read 2 more answers
A company policy requires that, for every 40 employees, there must be 3 supervisors. If the are 285 supervisors at the company h
Inga [223]

Answer:

11,400.0

Step-by-step explanation:

There needs to be 40 employees per every 3 supervisors, so this means multiplication, or division, but I went with the multiplication route.

285 x 40 = 11,400.

11,400 / 40 = 285.

The reason I multiplied 285 by 40 is because the supervisors was the main piece to the puzzle, and was much easier than if it gave you employees first, and that's when you'd divide by 3.

If there's 285 supervisors, you have the full amount of supervisors, now you need employees, so you are free to multiply by 40, since thats how many supervisors are available every 40 employees. I hope this helps.

4 0
4 years ago
Which question is a statistical question
zmey [24]

Answer:

5

Step-by-step explanation:

Cause you can actually get multiple different answeres which you can make a statistical question on

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2 years ago
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