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Nikolay [14]
3 years ago
13

What is the value of 3/5+2/7

Mathematics
2 answers:
Sindrei [870]3 years ago
8 0

Answer:

31/35

Step-by-step explanation:

So what we do is we need to convert them into something where we can combine them. The way you should do it is to convert the denominator by something they both share.

The closest one is 35 so multiply 3/5 by 7 and 2/7 by 5. Now you want to multiply the numerator by that number as well because it has to be equal.

You get 21/35 and 10/25, add them together to get 31/35.

Therefore, 31/35 is your answer.

netineya [11]3 years ago
4 0

Answer:

0.8 is your answer

Step-by-step explanation:

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aleksandrvk [35]

Answer:

3/4 of a pizza leftover.

Step-by-step explanation:

2 7/12 + 2/3 = 3 1/4

4 -  3 1/4 = 3/4

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6 0
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Frank can buy red pens in boxes of 8 and blue pens in boxes of 10. He wants the same number of red pens as blue pens. Fill in th
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Answer:

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8 0
3 years ago
Calculate 7x +5 - 3x - 7 = 10
vredina [299]

You answer is 3 and here's why...

7x + 5 - 3x - 7 = 10

First you must collect like terms

And that gives us

4x - 2 = 10

Next you must simplify by removing additives

4x - 2 + 2 = 10 + 2

4x = 12

Now you must divide

4x/4 = 12/4

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6 0
3 years ago
Read 2 more answers
AB is parallel to CD,<br> a) Find the value of angle x.<br> b) work out the value of angle y.
anastassius [24]

Answer:

x=69°  y=69°

Step-by-step explanation:

Angle x is an alternate angle so it is equal to the angle above it (69)

Angle y is in a co-interior angle so you do the equation 180-111 which equals 69°

4 0
3 years ago
If f(7)=22, then f-1(22)=
nignag [31]

Answer:

f^{-1} (22) = 7

Step-by-step explanation:

The inverse function maps the output of the function back to its input

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The inverse maps the output 22 back to the input 7 , that is

f^{-1} (22) = 7

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