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chubhunter [2.5K]
3 years ago
10

Find the missing angles

Mathematics
1 answer:
Tom [10]3 years ago
3 0

Answer:

Step-by-step explanation:

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Write an algebraic expression for the following verbal description. Use n for your variable.
nekit [7.7K]

Answer:

(4 ÷ n) - 8

Step-by-step explanation:

Quotient means division.

Decreased means subtraction.

Therefore, the expression would be (4 ÷ n) - 8.

5 0
3 years ago
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Whitney works for Interchim Inc selling purification equipment. She earns a base salary of $2200 per month
kati45 [8]

Answer:

$60745

Step-by-step explanation:

2,5÷100×2200

=55

55+2200

=2255

therefore 63000-2255

= $60 745

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7 divided by 6634.18
LenaWriter [7]

Answer:

947.74

Step-by-step explanation:

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3 years ago
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Scores on an english test are normally distributed with a mean of 31.5 and a standard deviation of 7.3. find the score that sepa
kobusy [5.1K]

Let X be the score on an english test which is normally distributed with mean of 31.5 and standard deviation of 7.3

μ = 31.5 and σ =7.3

Here we have to find score that separates the top 59% from the bottom 41%

So basically we have to find here x value such that area above it is 59% and below it is 49%

This is same as finding z score such that probability below z score is 0.49 and above probability is 0.59

P(Z < z) = 0.49

Using excel function to find the z score for probability 0.49 we get

z = NORM.S.INV(0.49)

z = -0.025

It means for z score -0.025 area below it is 41% and above it is 59%

Now we will convert this z score into x value using given mean and standard deviation

x = (z* standard deviation) + mean

x = (-0.025 * 7.3) + 31.5

x = 31.6825 ~ 31.68

The score that separates the top 59% from the bottom 41% is 31.68

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3 years ago
Which of the following is equivalent to 34 · 3-2?
saw5 [17]
34 multiplied by 3 is 102, subtract 2 and your answer is 100.
8 0
3 years ago
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