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UNO [17]
3 years ago
8

How do you divide mixed fractions

Mathematics
2 answers:
defon3 years ago
7 0

To divide fractions, we can use a method called "copy dot flip."

Let's say we were given 1/4 ÷ 1/2.

Copy: the first fraction.

Dot: change from dividing to multiplying.

Flip: take the reciprocal of the last fraction.

________

Copy: 1/4

Dot: · (×)

Flip: 2/1

Now, write as an equation.

1/4 · 2/1

________

Now, to multiply fractions, you multiply the number right next to it.

\frac{1*2}{4*1}

Simplify.

2/4 or 1/2

________

Best Regards,

Wolfyy :)

Lelu [443]3 years ago
3 0

Answer:

Step-by-step explanation:

You first need to make the fraction improper

then divide

Example:

2 and 1/2 divided by 1 and 2/4

5/2 divided by 6/4

5/2 times 4/6

20/12

10/6

5/3

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3 0
3 years ago
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Mai and Tyler work on the equation 2/5b+1=-11 together. Mais soulution is b=-25 and Tyler’s is b=-28. Here is their work. Do you
Anika [276]

Answer:

No I don't agree with their solution; both their answers are wrong.

Correct answer is b=-30.

Step-by-step explanation:

Given:

\frac{2}{5}b+1=-11

Now given:

According to Mai b = -25 and According to Tyler b = -28

Now we need to find which of them is correct.

So we will solve the given equation we get;

\frac{2}{5}b+1=-11

Subtracting both side by 1 we get;

\frac{2}{5}b+1-1=-11-1\\\\\frac{2}{5}b =-12

Now Multiplying both side \frac{5}{2} we get;

\frac{2}{5}b\times\frac{5}{2}= -12 \times \frac{5}{2}\\\\b=-6\times 5\\\\b=-30

Hence both of them are incorrect, correct answer is b=-30.

3 0
3 years ago
Will give brainlyest
Marizza181 [45]

Answer:

10 hours

Step-by-step explanation:

320 = 30x + 20

300 = 30x

x = 10

3 0
3 years ago
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Explain the steps necessary for solving the following equation. x^2-8x-20=0
kirza4 [7]
First factor the equation
(x-10)(x+2) = 0
Then solve for (x-10) and (x+2)
x=10
x=-2
8 0
3 years ago
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NEED HELP ASAP, QUICK I NEED THE AREA PLZ!!!
pashok25 [27]
Use a= \pir^2 (r represents your radius of 4 feet)

\pi(4^2)
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