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Otrada [13]
3 years ago
8

John got the follow scores on his tests what is the interquartile range of his scores 78,57,90,60,89,69,95

Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
7 0
57, 60, 69, 78, 89, 90, 95 (90-60=30) Answer= C. 30
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Maya has 6 1/8 yards of cloth. If she uses 3 1/4 yards to make a skirt, how many yards will she have left
olganol [36]
Answer:
6 1/8 - 3 2/8 = 2 7/8

How I Found The Answer:

6 + 1/8 - 3 - 2/8

6 - 3 = 3

1/8 - 2/8 = -1/8

3 - 1/8 = 2 7/8
6 0
3 years ago
A furniture store decided to mark up the price of a kitchen table. They decided to increase the price to $84. The original price
cupoosta [38]

Answer:

40%

Step-by-step explanation:

It would be 40% percent because when you divide 84 by 60 you would get 1.4. The 1 is the price staying the same. The .4 is the precentage. You would get 40% by moving the decimal to the right of the number

3 0
3 years ago
Rajani went to the store to buy some coffee. The price per pound of the coffee
baherus [9]

Answer:

$8.25         y(cost) = 5.50(x pounds coffee) - 2.75

Step-by-step explanation:

5.50 × 2

11 - 2.75

$8.25

y=5.50x-2.75

3 0
2 years ago
List the five key elements of a two column geometric proof
Vlada [557]
<span>A two-column geometric proof consists of a list of statements, and the reasons that we know those statements are true. The statements are listed in a column on the left, and the reasons for which the statements can be made are listed in the right column. Every step of the proof (that is, every conclusion that is made) is a row in the two-column proof.</span>
6 0
3 years ago
Find the rate of change on the interval from x=3 to x=5 f(x)= x-3
Naily [24]

Answer: To find the average rate of change, we divide the change in y (output) by the change in x (input). And visually, all we are doing is calculating the slope of the secant line passing between two points.

Step-by-step explanation:

1 Answer. Krishna V. The average rate of change of f(x)=x3−x over the interval (1,5) is 30.

7 0
3 years ago
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