Find the least common denominator for each of these fractions then complete the equation until it equals 1.

Common factor is 30
u/5 = 6u/30
u/10 = 3u/30
-u/6 = -5u/30

6u/30 + 3u/30 - 5u/30 = 1
4u/30 = 1
4u = 30
u = 7.5

8 0

3 years ago

The scores on a test are normally distributed with a mean of 110 and a standard deviation of 22. What is the score that is 3 sta

Alborosie

Answer:

Step-by-step explanation:

If the mean is 110, and the standard devaition is 22,

1 standard dev. below the mean is 110-22

2 standard dev below the mean is 110-22-22

3 standard dev below the mean is 110-22-22-22

Hope that helps!

7 0

4 years ago

13x - 6 = 8x + 19 solve for x

klio [65]

13x=8x+25
5x=25
X=5

5 is the answer

6 0

3 years ago

Read 2 more answers

ihelp me unerstand > i convert 8/25 into decimal >32/100 - and because 100 had two zeros. I place the decimal over 2 place

agasfer [191]

8/25....." / " simply means division

so 8 divided by 25 = 0.32

7 0

3 years ago