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12345 [234]
3 years ago
8

What does the y-intercept represent?

Mathematics
2 answers:
valina [46]3 years ago
7 0
This would represent the initial amount, in this case the initial amount in the barrel, or the principal. Your answer is C.
Hope this helps, and please mark brainliest!

Romashka [77]3 years ago
5 0

Answer:

The amount of water that is initially in the water barrel

Step-by-step explanation:

Let's assume we have a function

y=f(x)

y-intercept means y-value when x=0

so,

y=f(0)

and x=0 means initial value

So, y-intercept means initial value of quantity

here, y is  amount of water

x is time

so,

y-intercept will be the amount of water that is initially in the water barrel

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Answer:

A

Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

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Most college-bound students take either the SAT(Scholastic Assessment Test) or the ACT (which originally stood for American coll
Jlenok [28]

Answer:

Luis would need to have a SAT score of 574.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score 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 p-value, we get the probability that the value of the measure is greater than X.

Nicole's z-score:

ACT scores have a mean of about 21 with a standard deviation of about 5, which means that \mu = 21, \sigma = 5

Nicole gets a score of 24, which means that X = 24. Her z-score is:

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

Z = \frac{24 - 21}{5}

Z = 0.6

What score would Luis have to have on the SAT to have the same standardized score(z-score) as Nicole's standardized score on the ACT?

Luis would have to get a score with a z-score of 0.6, that is, X when Z = 0.6.

SAT scores have a mean of about 508 with a standard deviation of about 110, which means that \mu = 508, \sigma = 110.

The score is:

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

0.6 = \frac{X - 508}{110}

X - 508 = 0.6*110

X = 574

Luis would need to have a SAT score of 574.

8 0
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Advocard [28]

Answer:

the ordered pairs should be y and x

Step-by-step explanation:

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sleet_krkn [62]

Answer:

D

Step-by-step explanation:

10 \log( \frac{106.8}{1 \times  {10}^{ - 12} } ) \approx 140

8 0
2 years ago
Read 2 more answers
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