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faust18 [17]
3 years ago
15

Explain how to add fractions with unlike denominators. Please be as specific as possible.

Mathematics
1 answer:
Gelneren [198K]3 years ago
5 0

Answer:

Look below

Step-by-step explanation:

So I will use an example to try and show you how to do this.

If we have 1/2 + 1/3, we know that we don't have like denominators. We can change this by finding one. All we need to do is multiply our denominators. So in our example, that would be 2*3=6. Our new denominator would be 6. So now we would have 1/6 + 1/6 which isn't the same as our old equation. That is because we haven't multiplied our top numbers yet. To do this, we need to multiply the top number by the opposite denominator like so, 3/6+2/6.

So our first fraction was

1/2+1/3

We then multiplied the whole fraction by the opposite denominator

3/6+2/6

Thanks! Hope you choose me for brainliest!!! Have a nice day!

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Write an expression for the operation described below.<br> the quotient of z and y
Vsevolod [243]

Answer:

z/y

Step-by-step explanation:

the quotient of z and y

this does no require any work just understand the question

the quotient of z and y means z divide by y

z/y

7 0
3 years ago
Lucinda has a coin collection. she sold 12 coins to a friend and bought 7 new coins. she then had 39 coins. How many did she hav
erik [133]

Answer: 44

Step-by-step explanation:The way to calculate the number of coins that she had originally is to look at the difference in coins that changed hands. She sold 12 coins, but only bought 7 new ones. 12-7=5. Lucinda now has 5 coins less than what she started out with. So, she has 39 now, and then add 5 and the answer is 44 coins.

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Linear equation using substitution x=16-4y 3x+4y=8
jarptica [38.1K]
If x=16-4y then in your other equation 3x+4y=8 you can put that where x is to get:

3(16-4y)+4y=8

Then multiply brackets to get:

48-12y+4y=8

Simplify:

48-8y=8

Rearrange:

40=8y

Divide through by 8:

y=5

Then put y=5 back into x=16-4y to get x:

x=16-4(5)
x=16-20
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4 0
3 years ago
For which equation is (4, 3) a solution?<br> y = 2x – 1<br> y = 3x – 4<br> y = 2x – 5<br> y = x + 3
Morgarella [4.7K]

Answer:

The third (y=2x–5)

Step-by-step explanation:

y=2x–5

if we substitute then:

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4 0
3 years ago
Solve for x: -8 &lt; x-1 &lt; 5
olchik [2.2K]

Answer:

6 > x > -7

Step-by-step explanation:

-8 < x - 1 < 5

+1 + 1 + 1

_____________

-7 < x < 6

The above answer is written in reverse, which is the exact same result.

I am joyous to assist you anytime.

5 0
3 years ago
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