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Andreyy89
2 years ago
13

Jen just measured her pet snake and found out it is 51 inches long. The last time she measured, the snake was 34 inches long. Wh

at percent longer Is the pet snake now?
Mathematics
1 answer:
Ilya [14]2 years ago
6 0

Answer:

17 %

Step-by-step explanation:

Just Subtract.

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The area of a rectangle is 44 square units. Its length measures 11 units. Find the
lord [1]

Answer:

\sqrt{137}

Step-by-step explanation:

11.7

6 0
2 years ago
A fish tank holds 180 gallons of water and is leaking at a rate of 8 gallons per day. A second fish tank holds 160 gallons of wa
Sonja [21]

Answer: 10 days

Step-by-step explanation:

4 0
3 years ago
Find the area of the following figure below
abruzzese [7]

Answer:

30

Step-by-step explanation:

A=(a+b)/2xh

A=(6+9)/2x4

A=15/2x4

A=7.5x4

A=30

7 0
2 years ago
Suppose the round-trip airfare between Philadelphia and Los Angeles a month before the departure date follows the normal probabi
QveST [7]

Answer:

52.74% probability that a randomly selected airfare between these two cities will be between $325 and $425

Step-by-step explanation:

Problems of normally distributed samples are 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.

In this question, we have that:

\mu = 387.20, \sigma = 68.50

What is the probability that a randomly selected airfare between these two cities will be between $325 and $425?

This is the pvalue of Z when X = 425 subtracted by the pvalue of Z when X = 325. So

X = 425

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

Z = \frac{425 - 387.20}{68.50}

Z = 0.55

Z = 0.55 has a pvalue of 0.7088

X = 325

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

Z = \frac{325 - 387.20}{68.50}

Z = -0.91

Z = -0.91 has a pvalue of 0.1814

0.7088 - 0.1814 = 0.5274

52.74% probability that a randomly selected airfare between these two cities will be between $325 and $425

7 0
2 years ago
Which of the following options have the same value as 30%, percent of 81? Choose 3 answers:
Mila [183]

30% is a way to express the fraction 30/100 = 3/10

So, 30% of 80 is

80\cdot \dfrac{3}{10}=8\cdot 3 = 24

5 0
3 years ago
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