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4 years ago

This profession earnd $53,850 more than the bank teller over a period of 15 years.

Mathematics

1 answer:

Nikolay [14]4 years ago

8 0

Answer:

3590 per year

Step-by-step explanation:

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X=y^2-1

vova2212 [387]

Answer:

let me just guess 2x =4

Step-by-step explanation:

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3 years ago

Solve the system by substitution. y = 3x + 28 y = -4x

Mazyrski [523]

Answer:

(-4, 16)

Step-by-step explanation:

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3 years ago

What is the approximate value of x in the equation below. log_3/4 25 = 3x-1

yuradex [85]

Answer: The approximate value of x is -3.396

Step-by-step explanation:

Given:

Now,to find the value of x.

Use logarithm rule:

We have,

Now,

Using value of: and we get,

on simplify:

Adding 1 both the sides, we get

Therefore, the approximate value of x for the equation is -3.396.

Step-by-step explanation:

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3 years ago

The volume of a cone is 164 cubic feet. Its height is 12 feet. Ashlyn is finding the area of the base of the cone. Her work is

sveticcg [70]

Answer:

Step-by-step explanation:

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3 years ago

Scores on a test are normally distributed with a mean of 81.2 and a standard deviation of 3.6. What is the probability of a rand

Misha Larkins [42]

Answer:

The probability of a randomly selected student scoring in between 77.6 and 88.4 is 0.8185.

Solution:

Given, Scores on a test are normally distributed with a mean of 81.2

And a standard deviation of 3.6.

We have to find What is the probability of a randomly selected student scoring between 77.6 and 88.4?

For that we are going to subtract probability of getting more than 88.4 from probability of getting more than 77.6

Now probability of getting more than 88.4 = 1 - area of z – score of 88.4

$\mathrm{Now}, \mathrm{z}-\mathrm{score}=\frac{88.4-\mathrm{mean}}{\text {standard deviation}}=\frac{88.4-81.2}{3.6}=\frac{7.2}{3.6}=2$

So, probability of getting more than 88.4 = 1 – area of z- score(2)

= 1 – 0.9772 [using z table values]

= 0.0228.

Now probability of getting more than 77.6 = 1 - area of z – score of 77.6

$\mathrm{Now}, \mathrm{z}-\text { score }=\frac{77.6-\text { mean }}{\text { standard deviation }}=\frac{77.6-81.2}{3.6}=\frac{-3.6}{3.6}=-1$

So, probability of getting more than 77.6 = 1 – area of z- score(-1)

= 1 – 0.1587 [Using z table values]

= 0.8413

Now, probability of getting in between 77.6 and 88.4 = 0.8413 – 0.0228 = 0.8185

Hence, the probability of a randomly selected student getting in between 77.6 and 88.4 is 0.8185.

4 0

3 years ago

This profession earnd $53,850 more than the bank teller over a period of 15 years.​

This profession earnd $53,850 more than the bank teller over a period of 15 years.