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3 years ago

Hi guys, can someone pls explain how to divide fractions? pls and thank u

2 answers:

6 0

keep the first set if fraction change the divison sign in to a multiplication. and flip the next set of numbers hope this helps

irina [24]3 years ago

5 0

when dividing two fractions ex:

(1/3) / (1/6)

we take the reciprocal (we switch the bottom and top numbers) of the second fraction and then change the division into multiplication

(1/3) x (6/1)

multiply across to get

6/3

which is 2

hope this helps

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If you buy 6 boxes of cereal for $10, how much will 9 boxes of cereal cost?

Andrew [12]

$\bf \begin{array}{ccllll}
amount&\$\\
\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\
6&10\\
9&x
\end{array}\implies \cfrac{6}{9}=\cfrac{10}{x}$

solve for "x"

3 0

3 years ago

13 - 4x = 1 - x<br><br>Step by step please

Virty [35]

Answer:

13 - 4x = 1 - x

Subtract 13 from both sides.

-4x = -12 - x

Add x to both sides.

-3x = -12

Divide both sides by -3.

x=4

3 0

2 years ago

Read 2 more answers

Find the value of x.

son4ous [18]

Answer:

18.0

Step-by-step explanation:

==>Given:

Triangle with sides, 16, 30, and x, and a measure of an angle corresponding to x = 30°

==>Required:

Value of x to the nearest tenth

==>Solution:

Using the Cosine rule: c² = a² + b² - 2abcos(C)

Let c = x,

a = 16

b = 30

C = 30°

Thus,

c² = 16² + 30² - 2*16*30*cos 30°

c² = 256 + 900 - 960 * 0.8660

c² = 1,156 - 831.36

c² = 324.64

c = √324.64

c = 18.017769

x ≈ 18.0 (rounded to nearest tenth)

8 0

3 years ago

In 2006 there were 72 million dogs in u.s homes that number declined by 2 million in 2010 what was the percent decline in the nu

kolezko [41]

It decline 2 million dogs. 2 million over 72 million = 1/36, which is approximately 2.8 percent.

5 0

3 years ago

Read 2 more answers

Darla has four buckets shaped like cylinders she is filling the buckets with water by using a scoop shaped like a cone if the co

padilas [110]

Answer:

12 Scoops

Step-by-step explanation:

Darla has 4 Cylinder Shaped Buckets

Volume of the Cylinders $=4*\pi r^2h$

The scoop is cone shaped and:

Volume of the Cone Scoop $=\frac{1}{3} \pi r^2h$

Since the radius and height of the cone scoop and cylindrical buckets are the same,

The number of Cone Scoops it will take to fill the buckets is:

Total Volume of Buckets/Volume of Cone Scoops

$=\dfrac{4*\pi r^2h}{\frac{1}{3} \pi r^2h} \\=4 \div \frac{1}{3}\\=12$

It will take 12 Scoops to fill the 4 buckets.

5 0

3 years ago