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ollegr [7]
3 years ago
15

Find the mean, variance, and standard deviation. If necessary, round your answer to the nearest hundredth.

Mathematics
1 answer:
storchak [24]3 years ago
4 0

Your answer would be 4.

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Solve for h<br> h - 3h - 8 = 14<br> H=?
sweet [91]

The initial step that must be taken before solving almost any problem is to understand what the problem is asking for us to do and what is provided to us to complete that goal.  Looking at the problem statement, we can see that we are being requested to solve for h and we are provided an expression to do so.  Let's begin solving the expression by combining like terms.

<u>Combine like terms</u>

  • h - 3h - 8 = 14
  • (h - 3h) - 8 = 14
  • (- 2h) - 8 = 14

Just a quick explanation on what combine like terms means, it basically just means to combine the coefficients of the numbers associated with the same variables.  Like in this example we can combine h and -3h because they have have the variable h associated with them.

<u>Add 8 to both sides</u>

  • (- 2h) - 8 = 14
  • (- 2h) - 8+ 8 = 14 + 8
  • - 2h= 22

<u>Divide both sides by -2</u>

  • - 2h= 22
  • \frac{- 2h}{-2}= \frac{22}{-2}
  • h= \frac{22}{-2}

<u>Simplify the expression</u>

  • h= - \frac{22/2}{2/2}
  • h= - \frac{11}{1}
  • h= - 11

Therefore, after completing the steps above we were able to determine that the value of h is equal to -11.

8 0
2 years ago
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NEED MATH HELP NOW. Please solve for x-intercept.
Lelechka [254]

Answer:

(1, 0) and (3, 0)

Step-by-step explanation:

y=2x²-8x+6

x- intercept when y=0

  • 2x²-8x+6=0
  • x²-4x+4=1
  • (x-2)²=1
  • x-2=1 ⇒ x= 3
  • x-2= -1 ⇒ x= 1
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A polygon has the following coordinates: A(-4,-3), B(4,-3), C(4,-7), D(-4,-7). Find the length of BC.
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Answer:

9

Step-by-step explanation:

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The 8% sales tax was $3.88. What was the price of the game before tax?
tatuchka [14]

Answer:

$3.57

Step-by-step explanation:

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I have a genuine question. Please Read :D
nikitadnepr [17]

Answer:

I have this deck that works pretty well!!!

Ice wizard, wizard, electro wizard, princess, firecracker, baby dragon and skeletons.

It wins like almost every match and my friends are using this deck too!!

TRY IT OUT YEA!!

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