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tamaranim1 [39]
3 years ago
5

I need help with this one

Mathematics
2 answers:
Reika [66]3 years ago
8 0

Answer:

look it up

Step-by-step explanation:

Alex3 years ago
4 0
-2(-3)^3
-2(-3^3)
2 x 27
54
y=54

But I got undefined for the last one

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I need help to find the x
Arada [10]

Answer:

34? (I don't know what the upper right corner says)

Step-by-step explanation:

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2 years ago
If Sarah drink 2 cups of water and then drink one more how many cups of water did Sarah drink?
gayaneshka [121]

Answer:

A

Step-by-step explanation:

I think its self explanatory?

2+1=3 cups of water?

5 0
2 years ago
Read 2 more answers
The daily dinner bills in a local restaurant are normally distributed with a mean of $28 and a standard deviation of $6. What ar
Degger [83]

Answer:

The minimum value of the bill that is greater than 95% of the bills is $37.87.

Step-by-step explanation:

When the distribution is normal, we use 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.

In this question, we have that:

\mu = 28, \sigma = 6

What are the minimum value of the bill that is greater than 95% of the bills?

This is the 95th percentile, which is X when Z has a pvalue of 0.95. So X when Z = 1.645.

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

1.645 = \frac{X - 28}{6}

X - 28 = 6*1.645

X = 37.87

The minimum value of the bill that is greater than 95% of the bills is $37.87.

4 0
3 years ago
Help - algebra 1!!!!!!!!!!!
dimaraw [331]

Answer:

7.4*10^-5, 7300000

Step-by-step explanation:

1 There are 4 zeros in 1

round up .0000742 to .000074

There are 5 places between 7 and the last zero, negative because it is a decimal.

2 7.3*10^6= 73 is first, 6 places after 7 so 5 zeros (6 is in a place)

4 0
3 years ago
HELP ME I WILL MARK BRAINLIEST
Westkost [7]

Answer:

The answer is 1/15

I hope it helps

7 0
3 years ago
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