Does anyone know the answer to this question!? Please if the answer is correct ill mark it as the best!

Mathematics

2 answers:

zheka24 [161]4 years ago

3 0

Answer:

H. - 1

Step-by-step explanation:

$f(x) = 4x - 1 \\ plug \: f(x) = - 5 \\ \\ - 5 = 4x - 1 \\ \\ 1 - 5 = 4x \\ \\ - 4 = 4x \\ \\ x = \frac{ - 4}{4} \\ \\ x = - 1 \\ \\ domain \: value \: = - 1$

andrey2020 [161]4 years ago

3 0

H-1 is you answer ...

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Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest speed measured was 72.6 Mbp

Lapatulllka [165]

Answer:

a. 54.05 Mpbs.

b. 2.745... standard deviations.

c. The z-score is 2.745....

d. The carrier's highest data speed is significantly high.

Step-by-step explanation:

a. The difference between the highest measured data speed and the mean is 72.6 - 18.55 = 54.05 Mbps.

b. The amount of standard deviations of 54.05 Mbps is equal to this value divided by the standard deviations, so we yield $\frac{54.05}{19.69} = 2.745...$ standard deviations.