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Tanya [424]
3 years ago
7

The scatter plot below shows the relationship between drop height and speed of a roller

Mathematics
1 answer:
PtichkaEL [24]3 years ago
7 0

Answer:

b = 32.575

Step-by-step explanation:

The y-intercept is 32.575.

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What is the intercept form of the equation y=6x^2+12x-144
Stells [14]

Answer:

y = 6(x + 6)(x - 4).

Step-by-step explanation:

y = 6x^2 + 12x - 144

y = 6(x^2 + 2x - 24)     Factoring the trinomial in the parentheses ,we get:

y = 6(x + 6)(x - 4)

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3 years ago
If the area of a circle is 154cm2 what is the radius of that circle​
Komok [63]

Answer:

7

Step-by-step explanation:

3 0
2 years ago
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The combined SAT scores for the students at a local high school are normally distributed with a mean of 1479 and a standard devi
kotykmax [81]

Answer:

0.35% of students from this school earn scores that satisfy the admission requirement.

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 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.

The combined SAT scores for the students at a local high school are normally distributed with a mean of 1479 and a standard deviation of 302.

This means that \mu = 1479, \sigma = 302

The local college includes a minimum score of 2294 in its admission requirements. What percentage of students from this school earn scores that satisfy the admission requirement?

The proportion is 1 subtracted by the pvalue of Z when X = 2294. So

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

Z = \frac{2294 - 1479}{302}

Z = 2.7

Z = 2.7 has a pvalue of 0.9965

1 - 0.9965 = 0.0035

0.0035*100% = 0.35%

0.35% of students from this school earn scores that satisfy the admission requirement.

6 0
3 years ago
Mulitply (x + 5)(2x - 6)
DENIUS [597]
The answer is 2x²+4x-30
6 0
3 years ago
Rewrite 0.361 as a fraction in lowest terms.
saul85 [17]

Answer:

361/1000

Step-by-step explanation:

this should be the answer

5 0
3 years ago
Read 2 more answers
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