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Lilit [14]
3 years ago
7

How do you know if fractions are equal??

Mathematics
2 answers:
Andreas93 [3]3 years ago
7 0
By doing equivalent fraction method
vlabodo [156]3 years ago
3 0
If a=b then a/b=1
so we just divide them
or we can simplify them

example

are a/b and c/d equal? if (a/b)/(c/d)=1, then they are equal aka if (ad)/(bc)=1 or if ad=bc

so to find if a/b=c/d, if ad=bc, then they are equal
You might be interested in
10. 2x + 7y = 1<br> 2x - 4y = 12<br> Solve for y
adoni [48]

Answer:

The solution for y = -1.

Step-by-step explanation:

Given:

2x\ +\ 7y\ =\ 1    ....(1)

2x\ -\ 4y\ =\ 12  ....(2)

So, to solve for y, first we solve for x in equation (2):

2x-4y=12

⇒2x=12+4y

Dividing both sides by 2,

⇒x=6+2y            

Now, substituting the value of x  in equation (1):

2x+7y=1

⇒2(6+2y)+7y=1

⇒12+4y+7y=1

⇒12+11y=1

⇒11y=1-12

⇒11y=-11

Dividing both sides by 11,

⇒y=-1

Therefore, the solution for y = -1.

7 0
3 years ago
A grocery store sells a bag of 6 oranges for $2.34. If Mav spent $1.95 on oranges, how many did she buy?
poizon [28]

Answer:

5 oranges

Step-by-step explanation:

to solve this problem we need to make a cross-multiplication equation

2.34 is to 6 as 1.95 is to ?

? is the number of oranges that are needed to be found that were bought

2.34/6 = 1.95/?

Now we cross multiply 6 and 1.95 = 11.7

11.7/2.34 = 5

Give brainliest, please!
hope this helps :)

5 0
2 years ago
Read 2 more answers
What is the value of<br> x 2 - 14 when x = 9?
Nonamiya [84]

Answer:

4.

Step-by-step explanation:

9(2) = 18

18-14=4

5 0
3 years ago
Read 2 more answers
A coral reef grows 13 m every week. How much does it grow in 8 weeks? Write your answer in millimeters
Anastasy [175]

In 8 weeks the reef grows 13 m, or 104 m.

Converting 104 m into mm:

104 m     1000 mm

--------- * ------------- = 104,000 mm

   1               1 m

3 0
3 years ago
1 4/5 lbs into ounces
AURORKA [14]
1 4/5lbs is equal to 28.8oz
7 0
3 years ago
Read 2 more answers
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