MATHEMATICS MIDDLE SCHOOL

How to i add fractions? EX-3/6 + 1/6=4/? I really need help i forgot how to add them! Do i add the bottom or just the top?

Answers

Answer 1
Answer: To add a fraction lets use your example -3/6 has a negitave and 1/6 does not so that means that problem has to subtract and so 3/6 - 1/6 = 2/6 also if you need the 4/?  it would be 4/16

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What is 451.568 rounded to the tenths place.

Answers

It will be 451.6 because 5 is tents place 68 is big number so u add 1 + 5 = 6
Answer 451.6

the answer would be 451.6 and its rounded to the tenth place yw hope that helps :)

660 ft/min=_________ft/s
1 min = 60 sec

Answers

Well, divide (660)/(60)=10ft/s.

Gary invested $1,000 into an account earning interest at an annual rate of 5% compounded annually. Each year, he deposited an additional $1,000, and made no withdrawals. When he closed the account, he had a balance of $4,525.64. How much interest would Gary earn in that same time if he invests $10,000 and deposits $10,000 into the account each year?

Answers

so first we need to find out how much interest he earned a year so 525.64 divided by 4 which is 131.41 in interest a year so that 5% percent 

so 10000 $ for 4 year he would earn 1900.5 so he would have 11,900.5 

IM SORRY IT TOOK SO LONG

How many meters are in 7.5 km

Answers

7500 meters in 7.5 km
7500 meter in 7.5 km

Hillary used 5 L of a cleaning solution to scrub down 25 M^2 of table tops in the school cafeteria. how many litres of cleaning solution are required to clean a surface with an area of 65 m^2 if this solution is directly proportional?A.10L
B.13L
C.15L
D.25L

Answers

Answer is B) 13L.

Explanation:

We can calculate the number of liters of cleaning solution required to clean up a surface with the given area by simple method of proportion.

If 25m^2 area requires 5L of cleaning solution,

then let x bethe number of liters required for cleaning a 65m^2 area.

We can write it as:

25 / 65 = 5 /x

x = (5 x 65) / 25 = 325/25 = 13

So, 13 litres of cleaning solution is required to clean a surface with 65m^2 area.

Rearrange these equations :
1.)b+4=a    b=...
2.)4d=c      d=...
3.)m-2=4k  m=...

Answers

1)b=a-4

2)d=c/4

3)m=4k+2   =2(k+1)
1.b=a-4
2.d=c:4
3.m=4k+2
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