3 years ago

Need answer please!!!!!!

Mathematics

1 answer:

patriot [66]3 years ago

7 0

Answer is D i’m sure but unit test don’t matter as much so don’t stress

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adell [148]

It is going to be 3/10 because you simplify 6 blue/ 20 total marbles

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3 years ago

Write the equation of the line that has the indicated slope and contains the indicated point. Express the final equation in stan

OlgaM077 [116]

Answer:

y = 1/2x + 5

Step-by-step explanation:

Given :

Slope, m = 1/2

(x1, y1) = (6, 8)

y - y1 = m(x - x1)

y - 8 = 1/2(x - 6)

y - 8 = 1/2x - 3

y - 8 + 8 = 1/2x - 3 + 8

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Stamdard form of equation :

y = mx + c

Hence, equation is :

y = 1/2x + 5

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3 years ago

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2 years ago

Spirit Airlines kept track of the number of empty seats on flight 308 (DEN—DTW) for 10 consecutive trips on each weekday.

Murrr4er [49]

Answer:

please find below

Step-by-step explanation:

6 0

3 years ago

The average monthly cell phone bill was reported to be $50.07 by the U.S. Wireless Industry. Random Sampling of a large cell pho

zalisa [80]

Answer:

The null and alternative hypotheses are:

$H_{0}:\mu= 50.07$

$H_{a}:\mu>50.07$

Under the null hypothesis, the test statistic is:

$t=\frac{\bar{x}-\mu}{\frac{s}{\sqrt{n}} }$

Where:

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$=1.26$

Now, the right tailed t critical value at 0.05 significance level for df = n-1 = 10-1 = 9 is:

$t_{critical}=1.833$

Since the t statistic is less than the t critical value at 0.05 significance level, therefore,we fail to reject the null hypothesis and conclude that there is not sufficient evidence to support the claim that the average phone bill has increased.

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3 years ago