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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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A can holds 753.6 cubic centimeters of juice. The can has a diameter of 8 centimeters. What is the height of the can? Use 3.14 f
devlian [24]

Answer:

15 cm

Step-by-step explanation:

The volume of a cylinder is given by

... V = πr²h

Then

... h = V/(πr²)

Substituting the given dimensions, you have

... h = (753.6 cm³)/(3.14·(4 cm)²) = 15 cm

4 0
4 years ago
If n = 4, the value of the expression 28 – 12 + vñ : 2 is<br> 0 15<br> 021<br> O<br> 017
Alexandra [31]

Answer:

17

Step-by-step explanation:

28 - 12 + \sqrt{n} \div 2 =

n = 4

= 28 - 12 + \sqrt{4} \div 2

= 16 + 2 \div 2

= 16 + 1

= 17

6 0
3 years ago
А
Leto [7]

Answer:

Options (B) and (C)

Step-by-step explanation:

Farmland owned by Dwight = 1600 acres

He wants to divide his farmland into four equal parts.

So the area of each part of the land will be = \frac{\text{Area of the farmland}}{\text{Number of parts of the farmland}} = \frac{1600}{4}

This expression can be written in different ways,

\frac{1600}{4}= 1600 ÷ 4

      =1600\times \frac{1}{4}

Therefore, Options (B) and (C) will be the correct options.                                                                        

4 0
3 years ago
Socrates was sentenced to death because
rusak2 [61]

Answer: Socrates was condemned to death in 399 BC after he was found guilty of impiety and of corrupting the youth of Athens. When this sentence was decided upon, Socrates failed to act in his own interests and present a credible alternative to the death penalty.

Hope this helped

:D

8 0
3 years ago
The relative growth rate for a certain type of bacteria population is 78% per hour. A small culture has formed and in just 5 hou
Blizzard [7]

Answer:

The initial number of bacteria in the culture was 1949

Step-by-step explanation:

The relative growth rate for a certain type of bacteria population is 78% per hour.

As we know the growth of bacteria is exponential function.

P=P_0(1+r)^n

where,

P is population of bacteria after n hours.

P₀ is initial population.

r is rate of growth per hour

n is number of hours

A small culture has formed and in just 5 hours the count shows to be 34,820 bacteria in the culture.

P = 34820 ,  n = 5 , r = 0.78

34820=P_0(1+0.78)^5

P_0=\dfrac{34820}{(1.78)^5}=1948.63

P_0\approx 1949

Hence, The initial number of bacteria in the culture was 1949

3 0
3 years ago
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