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3 years ago

5

In the same year, the average finishing time for u.s. women was four hours and 41 minutes. What was their average speed in miles

per hour?

2 answers:

attashe74 [19]3 years ago

5 0

Answer:

Step-by-step explanation:

EleoNora [17]3 years ago

3 0

I need to know the distance.

speed= distance/ time

If you want to figure thier speed you need to divide the distance ( miles) by their time ( hours)

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The graph of y=sin(x-3π/2) is the graph of the y=sin(x) shifted in which direction

pychu [463]

Answer:

$\frac{3\pi}{2}$ units to the right

Step-by-step explanation:

If we have a parent function y = Sin(x), the function

y = Sin(x-b) would be the parent shifted b units right
y = Sin (x+b) would be the parent shifted b units left

The function given is $y=Sin(x-\frac{3\pi}{2})$

So from the rules, we can clearly say that it is parent function shifted RIGHT by $\frac{3\pi}{2}$ units.

2nd answer choice is correct.

5 0

3 years ago

1.5 x 10 to the power of 11

PSYCHO15rus [73]

It would be 150,000,000,000

5 0

2 years ago

Read 2 more answers

What is the lowest and highest grade average in the class respectively?

sineoko [7]

$\Huge\bf \rightarrow \mid\mathcal{\underline{ \purple{Answer}}} \mid$

<u> -76 and 95 is the lowest and highest grade average in the class, respectively.</u>

7 0

2 years ago

Scores on a college entrance examination are normally distributed with a mean of 500 and a standard deviation of 100. What perce

Alla [95]

Answer:

The percentage is $P(350 < X 650 ) = 86.6\%$

Step-by-step explanation:

From the question we are told that

The population mean is $\mu = 500$

The standard deviation is $\sigma = 100$

The percent of people who write this exam obtain scores between 350 and 650

$P(350 < X 650 ) = P(\frac{ 350 - 500}{ 100}$

Generally

$\frac{X - \mu }{\sigma } = Z (The \ standardized \ value \ of \ X )$

$P(350 < X 650 ) = P(\frac{ 350 - 500}{ 100}$

$P(350 < X 650 ) = P(-1.5$

$P(350 < X 650 ) = P(Z < 1.5) - P(Z < -1.5)$

From the z-table $P(Z < -1.5 ) = 0.066807$

and $P(Z < 1.5 ) = 0.93319$

=> $P(350 < X 650 ) = 0.93319 - 0.066807$

=> $P(350 < X 650 ) = 0.866$

Therefore the percentage is $P(350 < X 650 ) = 86.6\%$

3 0

3 years ago

What is the domain of f(x) = √x – 4 over the set of real numbers?

nikklg [1K]

Answer:

<u>(2) x </u> $\geq \\$ <u> 4</u>

Step-by-step explanation:

Given the sqrt(x), x $\geq \\$ zero

So, given sqrt(x -4), x -4 $\geq \\$ 0

Now solve for x

x - 4 $\geq \\$ 0

x $\geq \\$ 4

6 0

2 years ago