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il63 [147K]
3 years ago
8

Which of the following statements are true about the function below? Select all that apply. f(x)=(x-4)^2-1

Mathematics
1 answer:
Musya8 [376]3 years ago
6 0

Answer:

the zero is at 4 (option 1)

and the minimum is -1 (option 2)

Step-by-step explanation:

the zero is at 4 (option 1)

and the minimum is -1 (option 2)

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8<br> Given the summation E (3 + 2n),<br> n=1<br> a. Write the first four terms of the sequence.
Troyanec [42]

Answer:

(e^3 / e^2n)

Step-by-step explanation:

5 0
3 years ago
Plz help!!!!!<br><br> Please!
tresset_1 [31]
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For number 8:
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So the unit rate is $2.90.

Hope this helps. :)
7 0
3 years ago
Please helpppppppppppppppppppppppppp<br><br><br> show your work<br><br><br> -25 x 25
puteri [66]
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8 0
3 years ago
48. Reading Rates The reading speed of sixth-grade students is approximately normal, with a mean speed of 125 words per minute a
son4ous [18]

Answer:

The reading speed of a sixth-grader whose reading speed is at the 90th percentile is 155.72 words per minute.

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 problem, we have that:

\mu = 125, \sigma = 24

What is the reading speed of a sixth-grader whose reading speed is at the 90th percentile

This is the value of X when Z has a pvalue of 0.9. So it is X when Z = 1.28.

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

1.28 = \frac{X - 125}{24}

X - 125 = 1.28*24

X = 155.72

The reading speed of a sixth-grader whose reading speed is at the 90th percentile is 155.72 words per minute.

4 0
3 years ago
Read 2 more answers
1. if √16 = x, then x^2
vivado [14]
1. A squares and square root cancels

2. CE square root of a perfect square is rational square root of non perfect squares are irrational

4. ✓16=4 ✓9 =3 therefore ✓10 will be between 4 and 3 which is 3.1 answer is C
4 0
3 years ago
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