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2 years ago

HURRY PLEASE I WILL GIVE BRAINLIEST AND LOTS OF POINTS

Mathematics

1 answer:

Mrac [35]2 years ago

4 0

Answer:

$m = \dfrac{3}{4}$

Step-by-step explanation:

We would like to find the slope of the line of the given equation .

$\longrightarrow y =\dfrac{3}{4}x -1$

We know that slope intercept form of the line is given by ,

$\longrightarrow y = mx + c$

where ,

m is the slope
c is y intercept

Now we can compare the given equation with the slope intercept form to find the slope . You will see that 3/4 is present at the place of m .Therefore ,

$\longrightarrow \underline{\underline{m=\dfrac{3}{4}}}$

Hence option C is correct choice .

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Simplify the following expression -5x to the 2power +2 +10x to the 2 power - 6x

andrey2020 [161]

Your awnser is=5x2−4

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3 years ago

the time taken by a student to the university has been shown to be normally distributed with mean of 16 minutes and standard dev

Naya [18.7K]

Answer:

a) 2.84% probability that he is late for his first lecture.

b) 5.112 days

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:

$\mu = 16, \sigma = 2.1$

a. Find the probability that he is late for his first lecture.

This is the probability that he takes more than 20 minutes to walk, which is 1 subtracted by the pvalue of Z when X = 20. So

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

$Z = \frac{20 - 16}{2.1}$

$Z = 1.905$

$Z = 1.905$ has a pvalue of 0.9716

1 - 0.9716 = 0.0284

2.84% probability that he is late for his first lecture.

b. Find the number of days per year he is likely to be late for his first lecture.

Each day, 2.84% probability that he is late for his first lecture.

Out of 180

0.0284*180 = 5.112 days

4 0

3 years ago

How do I solve this ?

pashok25 [27]

M(CE) = 78 + 78*4/26 = 90

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3 years ago

Read 2 more answers

G(x) = x3 + 6x2 + 12x + 8 Determine the function’s value when x = −1.

salantis [7]

Answer:

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Step-by-step explanation:

Synthetic division is by far the fastest way to evaluate this function at x = -1. Set up synth. div. as follows:

-1 ) 1 6 12 8

-1 -5 -7

----------------------

1 5 7 1

since the remainder is 1, g(-1) = 1

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4 years ago

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