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3 years ago

I have 13.75 gallons of paint. I want to use 2/5 of paint to paint the living room. How many gallons of paint will I use.

Mathematics

2 answers:

Annette [7]3 years ago

5 0

Times 13.75 gallons by 2/5. 2/5 in decimal form is .40.

STALIN [3.7K]3 years ago

4 0

13.75 gallons x.4 (2/5) =5.5

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Which of the following represents a combination? Select all that apply.

Svetradugi [14.3K]

Answer:

Combinations:

A committee consisting of three members with the same role

Selecting two sandwiches from a menu of 10

Step-by-step explanation:

A combination is a selection of items from a collection, such that the order of selection does not matter.

A permutation is a selection of items from a collection, such that the order of selection matters.

A. The PIN for a bank or credit card - order matters → permutation

B. A committee consisting of three members with the same role - order does not matter → combination

C. A committee consisting of a president, vice president, and secretary - order matters → permutation

D. Final standings in a professional sports league - order matters → permutation

E. Selecting two sandwiches from a menu of 10 - order does not matter → combination

3 0

3 years ago

If one-sixth of a number plus one-third returns two-thirds of that number What is the number

Solnce55 [7]

Answer:

$x= \frac{2}{3}$

Step-by-step explanation:

Let the number be x

Given

$\frac{1}{6}x + \frac{1}{3} = \frac{2}{3}x$

Required

Find x

$\frac{1}{6}x + \frac{1}{3} = \frac{2}{3}x$

Collect Like Terms

$\frac{1}{6}x - \frac{2}{3}x = - \frac{1}{3}$

Take LCM

$\frac{1 - 4}{6}x = \frac{-1}{3}$

$\frac{- 3}{6}x = \frac{-1}{3}$

Multiply both sides by 6

$6 * \frac{- 3}{6}x = \frac{-1}{3} * 6$

$-3x= -2$

Divide both sides by -3

$\frac{-3x}{-3}= \frac{-2}{-3}$

$x= \frac{2}{3}$

Hence, the number is $\frac{2}{3}$

7 0

3 years ago

What is the equation of this line? y = 2x y=12x y=−2x y=−12x

Anna [14]

Y=2X

Looking at the line you can see that it is moving up from left to right, making it positive. So -2X and -12X are incorrect.

Next we can find the slope by putting rise over run. Chose a point on the line, I’ll use (2,4).
On this point we rise to 4 and run over to 2.
So for rise over run we have 4/2 which is 2.
So y=2x is correct.

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2 years ago

Find the value of x in the figure A. 40* B. 50* C. 140* D. 180 Please help me

Talja [164]

Answer:

40 degrees

Step-by-step explanation:

x and 40 (degrees) are "vertical angles" and are thus equal. So x = 40 degrees.

4 0

3 years ago

30 points Please help ASAP

Maurinko [17]

Answer:

It's A because

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I hope it helped :)

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2 years ago