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coldgirl [10]
3 years ago
10

Matches the description in the table below. 

Mathematics
1 answer:
tatiyna3 years ago
5 0
I think it is A because i think it is the only one that makes sense
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Alicia used 4 gallons of gasoline to travel 90 miles. At the same rate, how far can she travel on a full tank that holds 18 gall
MrRa [10]
90 miles/4 gallons = 22.5 miles/1 gallon.

22.5 miles*18 gallons= 405 miles

the answer is 405 miles
6 0
3 years ago
Assume that the random variable X is normally distributed, with mean 60 and standard deviation 16. Compute the probability P(X &
elixir [45]

Answer:

P(X < 80) = 0.89435.

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 = 60, \sigma = 16

P(X < 80)

This is the pvalue of Z when X = 80. So

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

Z = \frac{80 - 60}{16}

Z = 1.25

Z = 1.25 has a pvalue of 0.89435.

So

P(X < 80) = 0.89435.

5 0
3 years ago
Liz is using the distributive property to evaluate the expression 27(36) by using friendlier numbers. Her work is shown below.
Katen [24]
Liz attempted to factor 36. Since 36 = 3*12 and not 3+12, this is not the way to go. In stead of factoring 36, she should have split it into a friendly sum, like 36=30+6.

Then Step 1 should have been 27(6+30).
4 0
3 years ago
Read 2 more answers
How you save 6x-2=5x+29
dolphi86 [110]
6x-2=5x+29
6x-5x-2=29
x-2=29
x=31
3 0
3 years ago
What is<br>225x2 + 4 = 0​
Aleks [24]

la respuesta es 454 espero que te haya ayudado aunque sea un poquito :D

3 0
3 years ago
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