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Svetradugi [14.3K]
4 years ago
6

When do you multiply both sides by (-1) (reverse the inequality) in linear inequality problems?

Mathematics
1 answer:
Luden [163]4 years ago
3 0
When you have a fraction ( reverse operation)
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Ms. Random’s math students collect data to determine the correlation between the number of hours of study outside of the classro
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9/34 subtracted by 6:00
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Use the table to determine whether the relationship is proportional.If so,write an equation for the relationship.Tell what varia
Svetlanka [38]

Answer: 1st table: P=25h No it's not porportional.

2nd table: h=mi/40 Yes it's porportional.

Step-by-step explanation:

1st table:

P equals your total pages read and your h is equal to the amount of hours you read for. So for every h (hour) there are 25 pages read. So in two hours there are 50 read. Since the table doesn't go 50, 75, 100, that means that there was nat a consistant rate so it's not porportional.

2nd table:

Yes this is porportional. The reason is because to find the time the equasion is h=mi/40. the rate of change between the all of the numbers is equal. so for every 40 miles traveled there is 2 of your time.

3 0
3 years ago
Adding school fairest 20% of the people are under 16 years old one third of the people remaining are teachers if there are 21 te
dedylja [7]
<span>In the fairest school 20% are below 16 years old
1/3 are teachers which is equals to = 21
Let’s start solving:
=> 1/3 of 100% = ( 100 / 3 = 33.33% )
thus 33.33% = 21
=> 21 x 3 = 63, is the total number of people in the school.
Let’s try solving the number of people below 16 years old
Then there are 20% of it:
=> 63 * .20 = 12.6
Thus, there are around 13 people who are 16 years old younger.</span>



4 0
4 years ago
a jar of peanut butter holds 40 ounces. when you make a sandwich you use two ounces. which equation best represents the amount l
nirvana33 [79]
The equation you use is 40 - 2 = X
8 0
3 years ago
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