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Triss [41]
3 years ago
6

3/4 - 1/3 plz explain

Mathematics
2 answers:
Savatey [412]3 years ago
8 0
So you find the common denominator which is 12.Then you convert both fractions to 12ths. 3/4=9/12 and 1/3 = 4/12.9/12 plus 4/12=13/12.
13/12 is an improper fraction so you convert into a mixed number which is 1 and 1/12.

1 1/12= answer

hope this helps!!!
balandron [24]3 years ago
7 0
First covert them to fractions with the same denominator so you can compare them (9/12 and 4/12), then subtract the numerators, and not the denominators (9/12-4/12), then whatever you get is the answer (5/12). If you can, simplify. 
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And items are for $40 plus sales tax on the item is 8% what is the sales tax on the total cost
Setler79 [48]

Answer:

43.20 for the total cost of the item

6 0
3 years ago
One number is 6 more than twice the other number. If the sum of the two numbers is ​21, find the two numbers
hichkok12 [17]

Answer:

One number, let's call it x, is 6 more than twice the other number, let's say this number is y.

x= 2y+6

x+y=21

We're left with a system of equations.

If we substitute the first equation in the second we find the value of y.

(2y+6)+y=21

3y+6=21

3y=15

<u><em>y=5</em></u>

Now that we have found the value of y, we can take that value and substitute it in the second equation (since it's easier) to find the value of x.

x+ (5)=21

<u><em>x=16</em></u>

<u><em>Now to check if our answers are correct, we plug in both values into any equation and see if they equate.</em></u>

x+y=21

(16)+(5)=21

21=21

Our solution is correct!

4 0
2 years ago
4 2/3 - (-1 4/5) (by the way 4/5 is a fraction)
Free_Kalibri [48]

Answer: 6

Step-by-step explanation:

Eliminate the negative and change the operation.

4 + 1

Rewrite equation with parts separated

4 + + 1 +

Add whole numbers

4 + 1 = 5

Solve fraction

+ = ??

Find LCD of and . LCD = 15

+ =

Simplify fraction

= 1

Combine whole number and fraction

5 + 1 + = 6

4 0
3 years ago
9,8576%700+659-996=<br> if you know how to do it than do
Ierofanga [76]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
Olivia has a points card for a movie theater. She receives 80 rewards points just for signing up. She earns 2.5 points for each
3241004551 [841]

Answer:

10 visits

Step-by-step explanation:

According to the scenario, calculation of the given data are as follows,

Rewards for signing up = 80 points

Reward per visit = 2.5 points

Total points needed = 105

Let, number of visits = x

So, we can calculate number of visits by using following formula,

80 + (2.5 × X) = 105

2.5X = 105 - 80

2.5X = 25

X = 25 ÷ 2.5

X = 10 visits.

Hence, Olivia needs to make 10 visits in order to earn a free movie ticket.

8 0
3 years ago
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