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iren [92.7K]
3 years ago
10

Solve the linear equation for x. –4.8(6.3x – 4.18) = –58.56

Mathematics
1 answer:
Mamont248 [21]3 years ago
4 0
X=2.6

step by step explanation:
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Please help not to sure on this one thank you
belka [17]
The answer would be B. bc you have to divide 168/ 5.25

6 0
3 years ago
I serve a volleyball at a 730 angle with the horizontal, and an initial speed of 5.6 feet per second. What is the component form
noname [10]
You would split out the velocity into x and y components.
X component: 5.6cos(73)= 1.637i
Y component: 5.6sin(73)= 5.355j

Therefore velocity in its component form is 1.637i + 5.355j ft/s
4 0
3 years ago
Read 2 more answers
A set of exam scores is normally distributed and has a mean of 80.2 and a standard deviation of 11. What is the probability that
ZanzabumX [31]

Answer:

93.32% probability that a randomly selected score will be greater than 63.7.

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 = 80.2, \sigma = 11

What is the probability that a randomly selected score will be greater than 63.7.

This is 1 subtracted by the pvalue of Z when X = 63.7. So

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

Z = \frac{63.7 - 80.2}{11}

Z = -1.5

Z = -1.5 has a pvalue of 0.0668

1 - 0.0668 = 0.9332

93.32% probability that a randomly selected score will be greater than 63.7.

5 0
3 years ago
6/13 as a decimal rounded to the nearest thousandth
Tema [17]

Answer:

the answer will be  0.462

Step-by-step explanation:

3 0
2 years ago
two-fifth of the students in a mixed school are boys. if there are 30 girl in the school how many are boys​
lilavasa [31]
12. 1/5 of 30 = 6. 6 x 2 = 12
6 0
3 years ago
Read 2 more answers
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