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Leona [35]
3 years ago
6

True or false: the standard deviation of a set of data values is never a negative number

Mathematics
1 answer:
Anestetic [448]3 years ago
8 0
True I think !! Not to sure
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HELP NEEDED ASAP MATHS PLEASE!!!
BabaBlast [244]
You plug in the values for x in each respective equation.

a) f(3) = 3 + 1 which equals: 4.
so, f(3) = 4

b) g(3) = (3)^2 - 3 which equals 9 - 3, which equals 6.
so, g(3) = 6.

hope this helps! (:
5 0
3 years ago
Solving Rational Equations. LCD Method. Show work.<br><br><img src="https://tex.z-dn.net/?f=%5Cfrac%7B2%7D%7B5x%7D%20%2B%5Cfrac%
Svet_ta [14]

using the LCD method.... well, there are a couple of ways, but let's simply add them up.

well, the denominators are 5x and 2x... so the only LCD will just be 10x, since it's divisible by both, so let's use that one.

\bf \cfrac{2}{5x}+\cfrac{7}{2x}=1\implies \stackrel{\textit{LCD of 10x}}{\cfrac{(2)2~~+~~(5)7}{10x}}=1\implies \cfrac{4+35}{10x}=1\implies \cfrac{39}{10x}=1 \\\\\\ 39=10x\implies \cfrac{39}{10}=x\implies 3\frac{9}{10}=x

5 0
3 years ago
Read 2 more answers
What is the tangent ratio for ∠B?
mars1129 [50]

Answer:

Your answer is

tangent ratio of B is 3/2

Mark my answer as brainlist . I need that urgently . Folow me for more answer.

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
How long can I talk on the phone if they charge 8 cent a minute and I have 90 cents
NeTakaya
U can talk only for 11 minutes and have 2cents left
6 0
3 years ago
Read 2 more answers
How do u find the answer to this
stepladder [879]
11^0 is 1.
11^2= 121

121/1= 121

Final answer: 121
6 0
3 years ago
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