MATHEMATICS MIDDLE SCHOOL

Insert parentheses to make each statement true

2-3-4+1

Answers

Answer 1
Answer: The answer is (2-3)-(4+1)

Related Questions

How do I solve this problem?
Write this number in two ways in expanded form 204.032
The Windows on the first floor of a building are 3 1/2 yards wide. The Windows on the second floor of the building are 1 7/9 yards wide. How much wider are the Windows on the first floor than the second floor
Anybody know the right answer?
What subtraction problem has a value of 2/3

There wear 10000 bugs in a mountain in the train there are 15 bug how many bugs in all

Answers

So if there's 10,000 bugs in a mountain and 15 bugs in the train, then 10,000 + 15 = 10,015 because in all means to add.

If 120% of a is equal to 80% of b, then what is the value of a b in terms of b

Answers

If you would like to know what is the value of a b in terms of b, you can calculate this using the following steps:

120% of a = 80% of b
120/100 * a = 80/100 * b     /*100
120 * a = 80 * b     /120
a = 80 / 120 * b
a = 2/3 * b

The correct result would be a = 2/3 * b.
120% = x 1.2

80% = x 0.8

1.2a=0.8b \n \n a= (0.8)/(1.2)b \n \n \boxed{a= (2)/(3)b }

3.25, 3.0, 2.75, 2.5, 2.25, ...What is the rule to continue this decimal number pattern?
increase by 0.5
increase by 0.25
decrease by 0.5
decrease by 0.25

Answers

3.25 - 3 = 0.25
3 - 2.75 = 0.25
2.75 - 2.5 = 0.25
2.5 - 2.25 = 0.25

Since we subtracted those numbers, it means we are decreasing.
Therefore, the answer is decrease by 0.25.
you are decreasing by 0.25 . Each time you are subtracting only .25 to each number . +

78.74 divided by 12.7

Answers

6.2 is the answer. It is correct because 12.7 times 6.2=78.74.
~JZ
The answer is 6.2 here is my work I screenshotted:

What is the value of y ?
6 (5+3) = 6 X 5+6 X y

Answers

I have a strong feeling that those big X's means multiply. Right? :3

6(5+3)=(6)(5)+6y
30 + 18 = 30 + 6y
48 = 30 + 6y
-30    -30
----------------------------
18  = 6y
/6       /6

y = 3

Sybrina jogged 2 miles in 30 minutes. At this rate, how far would she jog in 90 minutes?At what rate did she jog each hour?

Answers

6 miles in 90 minutes and 4 miles per hour. 30 times two is 60 min so 2 miles times two is 4 miles. 

another 30 min is 90 min and another two miles is 6 miles.
2miles per 30min - 2 to 3
90/30=3x2=6
6miles in 90min
She was jogging @ a 1mile per 15min but each hour it was 4mile per hour
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