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never [62]
3 years ago
7

A person walks 1 mile every day for exercise, leaving her front porch at 9:00 am and returning to her front porch at 9:25 am. wh

at is the total displacement of her daily walk?
1 mile

0

25 minutes

none of the above
Mathematics
1 answer:
shusha [124]3 years ago
4 0
The answer would be 0
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Subtract.
Yakvenalex [24]
1345 - (-853) = D) 2198.

Simplify your brackets to get: 1345 + 853 and then add which will get you your answer, 2198.

8 0
3 years ago
Read 2 more answers
I NEED THIS ASAP, PLEASE HELP!!!
WINSTONCH [101]

Answer: 22.5 ; 5 ; 14

Step-by-step explanation:

Given the dataset:

{20,22,23,24,26,26,28,29,30}

The lower quartile (Q1) = 1/4(n + 1)th term

Where n = number of observations, n = 9

Q1 = 1/4 (9 + 1)th term

Q1 = 1/4(10) = 2.5

We average the 2nd and 3rd term:

(22 + 23) / 2

45 / 2 = 22.5

B) The interquartile range(IQR) of the dataset :

{62,63,64,65,67,68,68,68,69,74}

IQR = Q3 - Q1

The lower quartile (Q1) = 1/4(n + 1)th term

Where n = number of observations, n = 10

Q1 = 1/4 (10 + 1)th term

Q1 = 1/4(11) = 2.75 term

We take the average of the 2nd and 3rd term:

(63 + 64) / 2

45 / 2 = 63.5

The upper quartile (Q3) = 3/4(n + 1)th term

Where n = number of observations, n = 10

Q3 = 3/4 (10 + 1)th term

Q3 = 3/4(11) = 8.25 term

We take the average of the 8th and 9th term:

(68 + 69) / 2

137 / 2 = 68.5

IQR = Q3 - Q1

IQR = 68.5 - 63.5

IQR = 5

C) give the dataset :

{7,8,8,9,10,12,13,15,16}

The upper quartile (Q3) = 3/4(n + 1)th term

Where n = number of observations, n = 9

Q3 = 3/4 (9 + 1)th term

Q3 = 3/4(10) = 7.5 term

We take the average of the 7th and 8th term:

(13 + 15) / 2

28 / 2 = 14

7 0
3 years ago
The area of a rectangle is 10r (squared) − 11r − 6. The width is 2r − 3. What is the length?
sladkih [1.3K]
<span>10r^2 − 11r − 6 = (2r - 3)(5r +2)
so
A = </span>(2r - 3)(5r +2)<span>
as you know A =  L * W
if width = </span>(2r - 3) then length = (5r +2)

answer
length = (5r +2)
6 0
3 years ago
Help with this question please help
levacccp [35]
Slope is 2
Y intercept is 4
8 0
3 years ago
21+4(3^2-5)<br><br>PLEASE ANSWER FAST​
lana [24]

37

Step-by-step explanation:

21 + 16

HOPE THIS HELPS!

8 0
3 years ago
Read 2 more answers
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