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Gnom [1K]
3 years ago
15

What is the expression for the calculation triple 4 and then add 7 times 7

Mathematics
2 answers:
Vesna [10]3 years ago
8 0
4^3+7(7) in my opinion or 4^3+7*7
 
krok68 [10]3 years ago
4 0
(4 x 3) + (7 x 7) is the expression
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If the distribution is really (5.43,0.54)
defon

Answer:

0.7486 = 74.86% observations would be less than 5.79

Step-by-step explanation:

I suppose there was a small typing mistake, so i am going to use the distribution as N (5.43,0.54)

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

The general format of the normal distribution is:

N(mean, standard deviation)

Which means that:

\mu = 5.43, \sigma = 0.54

What proportion of observations would be less than 5.79?

This is the pvalue of Z when X = 5.79. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{5.79 - 5.43}{0.54}

Z = 0.67

Z = 0.67 has a pvalue of 0.7486

0.7486 = 74.86% observations would be less than 5.79

7 0
3 years ago
Piper is driving on a long road trip. She currently has 11 gallons of gas in her car. Each hour that she drives, her car uses up
Fynjy0 [20]

Answer:

begins the trip with 14 gallons of gas in her car.

The car uses up one gallon of gas every 30 miles.

Let g represent the number of gallons of gas she has left in her tank, and let d

represent the total distance

Step-by-step explanation:d = 30(14 - g)

:

For example, if she uses two gallons, there will be 12 gal left in the tank; g=12

d = 30(14 - 12)

d = 30(2)

d = 60 mi  Here you go

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2 years ago
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Pls help answer that shows work will get brainliest
hichkok12 [17]
The anwser to the problem is C.

7 0
3 years ago
What is 1/3 of a number?
JulijaS [17]
1/3= 0.33333 if u want it as a decimal :)
3 0
3 years ago
Kris is making cookies. He has 43 cups of sugar. He needs 23 cup of sugar to make one whole batch of cookies.
rodikova [14]

Answer:

What's the question here?

8 0
3 years ago
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