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liraira [26]
3 years ago
10

Jessica finished a race that was 5 miles long in 30 minutes and 15 seconds. Casey finished a race that was 2 miles log in 11 min

utes and 8 seconds. Who has the faster rate? Explain your reasoning.
Mathematics
1 answer:
poizon [28]3 years ago
3 0

Answer:

Casy

Step by step explanation:

You divide the miles by their time

It took Jessica 6 minutes and .03 seconds to finish a mile

It took Casy 5 minutes and 54 seconds to finish a mile

Casy is .09 Seconds quicker than Jessica

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The heights of young women follow a Normal distribution with a mean u = 64.5 inches and standard deviation o = 2.5 inches. The p
mash [69]

Answer:

The heights of young women follow a Normal distribution with a mean u = 64.5 inches and standard deviation o = 2.5 inches. The probability that the mean height of an SRS of 10 young women exceeds 66.5 inches is _

normalcdf(66.5, 99999999, 64.5, 2.5)

1 - normalcdf(66.5, 99999999, 64.5, 0.7906)

normalcdf(-99999999, 66.5, 64.5, 2.5)

normalcdf(66.5, 99999999, 64.5, 0.7906)

normalcdf(66.5, 99999999, 0, 1)

1 - normalcdf(66.5, 99999999, 64.5, 2.5)

1 - normalcdf(66.5, 99999999, 0, 1)

normalcdf(--99999999, 66.5, 64.5, 0.7906)

plz need help number 1 2 3 4 5 are pic

8 0
3 years ago
Work out the value of (1.7X10^4) X (8.5X10^-2) in standard form
kvv77 [185]
answer is 1.445 x 10^3
5 0
3 years ago
Read 2 more answers
The total cost of four pens and seven mechanical pencils is $12.27. The cost of each pencil is 25 cents a. Using an arithmetic a
vlada-n [284]
Let the cost of a pen be $x.
4x + 7(0.25) = 12.27
4x = 10.52 \\ x = 2.63
6 0
3 years ago
Read 2 more answers
How many factors in the expression 8(x + 4)(y + 4)(z² + 4z + 7) have two terms?
exis [7]
The answer is 2 factors.

There are four factors:
<span>8                       - 1 term (8)
<u>(x + 4)               - 2 terms (x and 4)</u>
<u>(y + 4)               - 2 terms (y and 4)</u>
(z² + 4z + 7)      - 3 terms (z, 4z, and 7)</span>
3 1
3 years ago
Read 2 more answers
I have to rewrite an equation so that y is a function of x. I think I'm solving for Y, because on my examples it has "y=". How d
vivado [14]

You do whatever you need to do to one side of the equation in order to have
only ' y ' left on that side, AND every time you do something to that side of
the equation, do exactly the same thing to the other side.

Here are three examples, out of the 9 answers you want handed to you:

<em>#16:</em>                                  <u>3x + 5y = 7</u>

Subtract  3x  from each side:      5y = -3x + 7

Divide each side by  5 :                <em>y = -3/5 x + 7/5</em>

======================================

<em>#17: </em>                                    <u>13 = 12x - 2y</u>

Add  2y  to each side:    2y + 13 = 12x

Subtract 13  from each side:  2y = 12x - 13

Divide each side by  2 :         <em> y = 6x - 13/2</em>

======================================

<em>#22:</em>                                <u>1/4 y + 3 = -5x</u>

Subtract  3  from each side:   1/4 y = -5x + 3

Multiply each side by  4 :            <em>y = -20x + 12</em>


7 0
3 years ago
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