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HACTEHA [7]
3 years ago
12

I NEED SOME HELP!!!!!! PLEASE!!!!!!!

Mathematics
1 answer:
zhuklara [117]3 years ago
5 0
The greatest common factor is the biggest thing that they all share... If we look at it they all have 4 as their coefficients so you can take that out but they also have a squared so you can take that out too so the GCF if 4a squared... but No x because one of them doesn't have it... all of them have to have it in common.
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Divide 5/6 by negative 2/3
ohaa [14]

Answer:

-1.25 :)

Step-by-step explanation:

8 0
3 years ago
Which of the following represents “ 10 times the sum of a number and 14 is equal 9 times the number”?
solong [7]

Answer:

The expressión is:

10(a+14) = 9a

and the number is:

-140

Step-by-step explanation:

The expression is:

10(a+14) = 9a

then:

10*a + 10*14 = 9a

10a + 140 = 9a

10a - 9a = -140

a = -140

Check:

10(-140+14) = 9*140

10*-126 = 1260

4 0
4 years ago
Use the empirical rule to solve the problem. ed's monthly phone bill is normally distributed with a mean of $65 and a standard d
topjm [15]
By the empirical rule, 84% of the distribution is below one standard deviation above the mean.

16% of Ed's monthly phone bills are more than $76.
4 0
4 years ago
Read 2 more answers
A random variable x is uniformly distributed over the interval (-4, 6). Find the standard deviation of x. (Note: Uniform distrib
Pachacha [2.7K]

Answer:

The standard deviation of x is 2.8867

Step-by-step explanation:

The standard deviation of variable x that follows a uniform distribution is calculated as:

s = \sqrt{\frac{(b-a)^{2} }{12} }

Where (a,b) is the interval where x is defined.

So, replacing a by -4 and b by 6, the standard deviation is:

s = \sqrt{\frac{(6-(-4))^{2} }{12} }

s = \sqrt{\frac{(10)^{2} }{12} }

s=\sqrt{\frac{100}{12} }

s=\sqrt{8.3333}

s=2.8867

3 0
4 years ago
How many 1/4 doses can be drawn from a 7 and 1/2 vial of medication
9966 [12]

Answer:

30

Step-by-step explanation:

7 1/2 is 15/2 as an improper fraction

15/2 ÷ 1/4 = 15/2 · 4 which is 30

6 0
3 years ago
Read 2 more answers
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