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Liula [17]
3 years ago
15

A group of seventh-grade students also did sit-ups for one minute. They did the same mean number of sit-ups in one minute as the

sixth graders did, but they did a total of 522 sit ups. How is this possible? Explain.
The Mean for the Sixth graders is 58.
Mathematics
2 answers:
ch4aika [34]3 years ago
8 0
I am going to have to say that there is the same amount of students in the grades
Kitty [74]3 years ago
5 0

Answer:

There were more seventh-grade students than sixth graders

Step-by-step explanation:

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If a 30% discount is put on an item, and the sale price is $206.50, then what was the original price?
s2008m [1.1K]

Answer:

295

Step-by-step explanation:

.3 x 295 = 88.5

295 - 88.5 = 206.5

8 0
4 years ago
A bottle contains 2 green gum balls, 2 red gum balls, and 1 blue gum ball.
aliya0001 [1]

Answer:

3/5

Step-by-step explanation:

First add all of the balls together to know the total.

2 + 2 + 1 = 5

Probability of Green: 2/5

Probability of Red: 2/5

Probability of Blue: 1/5

Add red and blue together

2/5 + 1/5 = 3/5

3/5

Brainliest would be appreciated. :)

5 0
3 years ago
Factorise 2p^2 - p - 10<br> (2p squared)
velikii [3]

2p² - p - 10 = 0

2 = a

- 1 = b

- 10 = c

To factor, find two numbers that multiply to equal a·c and also that have a sum of b

2p² + 4p - 5p - 10 = 0

2p (p + 2) - 5 (p + 2) = 0

<h3>Answer: ( 2p - 5 ) ( p + 2 ) = 0</h3>
3 0
3 years ago
Help with probability please!!
lilavasa [31]
For the first one, the graph shows a total of 12 representatives across all 5 categories, and of those, 2 are from the west this is the fraction 2/12, or the answer A) 1/6, meaning that 1 in 6 of the representatives are going to be from the western region.
For number 2, the answer is A) If you flip a coin 800 times, heads will come up about 400 times. This is because the law of large numbers says that as the number gets larger the ratio will get closer to 1:1. This means that since the coin only has 2 sides, it is about 50/50, meaning that of 800, 400 would be heads and 400 would be tails.
Hope this helps! :D
3 0
3 years ago
Read 2 more answers
Which expression is equivalent to 1/4y − 1/2
const2013 [10]
Y - 2 / 4

I don't really know how to explain it, but y - 2 / 4 is equivalent to 1/4y - 1/2
6 0
3 years ago
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