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NeTakaya
3 years ago
8

A number increased by 5 then divided by 2

Mathematics
1 answer:
alex41 [277]3 years ago
4 0

Answer:

(x + 5) /2

Step-by-step explanation:

"a number" (this will represent as "x")

"increased" another way to say add or "+"

then divided by 2

If you wrote it out like this "x+5/2"it would be wrong because of PEMDAS making you want to divide first instead of after.

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Complete ?:44=2:11<br> (Please help me )
Aleks04 [339]

Answer:

? = 8

Step-by-step explanation:

well

x/44 = 2/11

44 is greater than 11 by 4 times. so to get an equal fraction you need to multiply 2 by 4 to get 8. that way you get 8/44 which would simplify by dividing by 4 to get 2/11

4 0
2 years ago
If you wanted to find the mean height of students in an elementary school,
Kryger [21]

It is not possible to select a single group from the primary school, since being a single group it could not in any way represent the entire primary school.

Choosing a group would provide the average height for that group, not the entire primary.

Assumptions can be made that the course of half of the primary would theoretically give us a more accurate representation, but the objective is to select a number of students from each course and there would be a representative sample of the entire primary.

6 0
3 years ago
I’m trying to find the answer for these 2 questions. Please!
Elanso [62]

1) For the second semester, we recognize that the number of actual students (75) is 15 times the ratio number (5) used to represent it. We also recognize that the total number of ratio units (5+4) for the second semester is the same as the total number (2+7) for the first semester.

If each ratio unit reprsents 15 students, in the first semester there were

... 2×15 = 30 students in art

... 7×15 = 105 students in gym

2) We can use the same sort of logic for the second problem as for the first. 6 ratio units represents $936 before money is moved, so each represents $156.

After the move, the account balances are

... savings: 4×$156 = $624

... checking: 3×$156 = $468

_____

Since the numbers of "ratio units" add to the same value in each case for both problems, we can solve this the way we have done—by determining the value a "ratio unit" stands for. If the problem had been posed differently, we might have been required to find the total number of students (dollars), then reapportion them according to the new ratios.

Essentially, when you have

... part1 : part2

you can find the total from

... part1 : total = part1 : (part1 + part2)

or

... (part1 + part2)/(part 1) × (actual value of part 1) = (actual value of total)

4 0
3 years ago
What is the best classification of –4/5 in the real number system?
Sliva [168]
I believe it would be - 0.8. Hope it helps! :)
4 0
3 years ago
What is the value of the expression below when x<br> 10 and y = 9?<br> 9x + 9y
Tasya [4]

Answer:

171

Step-by-step explanation:

9x + 9y

9(10) + 9(9)

90 + 81

171

Best of Luck!

6 0
3 years ago
Read 2 more answers
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