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malfutka [58]
3 years ago
7

True or false: f(x) is a function. 0 3 4 2 8 12 0 f(x) A. True B. False​

Mathematics
1 answer:
Lady_Fox [76]3 years ago
6 0

Answer: true

Step-by-step explanation: f(x) is a function because each x value (left oval) has one y value (right oval)!

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Please simplify (y^-5)^4
pav-90 [236]

Answer:1/y^20

Step-by-step explanation:

8 0
3 years ago
A runner’s goal is to complete a mile in 4 minutes or less. The runner’s speed is 20 feet per second. Does the runner meet the g
Scilla [17]

Answer:

no, because the runner is short by 480 feet

Step-by-step explanation:

there are 5280 feet in 1 mile

5280 feet= 1 mile                             20 feet= 1 second (times by 240)

                                                               4800 feet=            240 seconds

he is 5280-4800= 480 feet less

please give me brainliest!!<3

3 0
3 years ago
Systolic Blood Pressure Assume that the mean systolic blood pressure of normal adults is 120 millimeters of mercury and the stan
liq [111]

Answer:

0.1425 = 14.25% probability that the individual's pressure will be between 119.4 and 121.4mmHg.

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 = 120, \sigma = 5.6

Find the probability that the individual's pressure will be between 119.4 and 121.4mmHg

This is the pvalue of Z when X = 121.4 subtracted by the pvalue of Z when X = 119.4. So

X = 121.4

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

Z = \frac{121.4 - 120}{5.6}

Z = 0.25

Z = 0.25 has a pvalue of 0.5987

X = 119.4

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

Z = \frac{119.4 - 120}{5.6}

Z = -0.11

Z = -0.11 has a pvalue of 0.4562

0.5987 - 0.4562 = 0.1425

0.1425 = 14.25% probability that the individual's pressure will be between 119.4 and 121.4mmHg.

8 0
3 years ago
How many times greater is the capacity of one gallon than one quart
Oxana [17]
1 gallon = 4 quarts
8 0
3 years ago
Read 2 more answers
Please help me answer this.
saul85 [17]

Answer:

it's not 16/,13 ; )

Step-by-step explanation:

5 0
2 years ago
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