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deff fn [24]
3 years ago
10

Marley runs 5 yards down the track from point A to point B, and then stops and runs

Mathematics
1 answer:
julia-pushkina [17]3 years ago
3 0

Answer:

\sqrt{61}=AC or 7.8102=AC

Step-by-step explanation:

If we connect a line from point A to point C we create a triangle, and we can use pythagorean theorem to find this distance. So the line from point A to point C will be our hypotenuse and the other two distances will be out side lengths.

5^{2}+6^{2}=AC^{2}

25+36=AC^{2}

61=AC^{2}

\sqrt{61}=AC or 7.8102=AC

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Saul decides to use the IQR to measure the spread of the data. Saul calculates the IQR of the data set to be 27
german

Answer:

n = 78

Step-by-step explanation:

IQR is the interquartile range of the data set.

So Saul had already arranged the data in order, that is the first step when calculating the interquartile range.

25, 30, 50, 50, 50, 50, 56, n., 250

Next, is to find the median so we could easily separate the data into quartiles.

The median of the data 25, 30, 50, 50, 50, 50, 56, n., 250 = 50

Then, arrange the data into the first quartile and the third quartile

first quartile = 25, 30, 50, 50

third quartile = 50, 56, n., 250

first quartile median = 30 + 50 = 80/2 = 40

third quartile = 56 + n /2

The interquartile range formula is the first quartile subtracted from the third quartile:

IQR = Q3 – Q1.

Since 27 is the interquartile range, n=

27 = (56 + n /2) - 40

Use 2 to multiply through to eliminate the denominator

54 = (56 + n) - 80

n = 78

5 0
3 years ago
Please help me look at the attachment for the question
LenaWriter [7]
Found this when I was doing my own work, hope this helps.

6 0
3 years ago
In 56 years, Kevin will be 9 times as he is right now. How old is he right now?
hammer [34]

that would mean he's 7 right now

3 0
3 years ago
PLEASE HELP!!! PLEASE!!!
irina [24]

Answer:

Average speed = \frac{(x+y)}{2} miles per hour

Step-by-step explanation:

Formula to calculate the average speed of an object is,

Average speed = \frac{\text{Total distance covered}}{\text{Time taken to cover this distance}}

If I travel with the speed of x mph for t hours,

Total distance covered = Speed × Time

                                       = x\times t

                                       = xt miles

Similarly, if I travel with the speed y mph for t hours,

Total distance covered = yt miles

Total distance covered by me = (xt+yt) miles

Total time taken to cover this distance = t+t

                                                                 = 2t hours

Therefore, expression for the average speed will be,

Average speed = \frac{xt+yt}{2t}

                          = \frac{(x+y)t}{2t}

                          = \frac{x+y}{2} miles per hour

7 0
3 years ago
Solve for z: <br> 2 + 8 - z = -24<br> Show your work
Gala2k [10]
2+8-z=-24
^
10-z=-24
-10 -10
——————-
-z=14
———
-z -z

Z=14
4 0
3 years ago
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