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laila [671]
2 years ago
12

The table shows the scoresof 20 students in a test, work out the mean score

Mathematics
1 answer:
adoni [48]2 years ago
7 0

Answer:

2.7

Step-by-step explanation:

hope you understand if you don't understand tell me I'll try again.

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Jerome went on a hike. He climbed 3/4 of a mile in 2/3 of an hour. What was his hiking speed in miles per hour?
Anvisha [2.4K]
1 hour = 60 mins 1 mile = 60 mins 3/4 = 45 mins. 2/3 = 40 mins. So 45+ 40 = 1 hour and 25 mins.
6 0
3 years ago
How do i solve this???
Leni [432]

This will help u and hope its right .

6 0
3 years ago
THERE ARE 18 RED CRAYONS
yulyashka [42]

Answer:

3:4

Step-by-step explanation:

The original ratio between the red and green crayons would be 18:24, but you would need to simplify that to reach your definite simplified answer. Doing this, you find the least common factor between 18 and 24 which is 3 for 18 and 4 for 24.

6 0
3 years ago
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two trains depart the station in different directions. their paths are at a 90-degree angle from one another, as shown in the fo
myrzilka [38]

Answer:

8125t^2-11250t^2+5625 greater than or equal to > 100

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5 0
2 years ago
Sarah received a gift in a rectangular box with a volume of 240 in3. If the base of the box was 20 in2, how tall was the box?
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V = l * w * h
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