Simplify -3(-w - u) - (-5 + w)

Answers

Answer 1

Answer: -3(-w - u) - (-5 + w)
=-3(-w-u)+-1(-5+w)
=-3(-w-u)+(-1)(-5)+-1w
=-3(-w-u)+5+-w
Distribute
=(-3)(-w)+(-3)(-u)+5+-w
=3w+3u+5+-w
Combine like terms
=3w+3u+5+-w
=(3u)+(3w+-w)+(5)
=3u+2w+5

:)

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Ming-Li spent $15 at the movies. She then earned $30 babysitting. She spent $12 at the bookstore. She now has $18 left. How much money did Ming-Li have to begin with?

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a manufacturer of cat toys produces three different toys filled with catnip the toys are the shape of a cone cylinder sphere each with radius 3 inches the cone and the cylinder each have a height of 2 inches which statement about the toys are true choose all that apply help ?

Answers

Statements A, B, and C are true.

Step-by-step explanation:

Step 1:

A cone, a cylinder and a sphere all have radii of 3 inches. The cone and cylinder have heights of 2 inches.

The volume of the cone, $V=\pi r^(2) (h)/(3).$ Here r = 3 inches and h = 2 inches.

So the volume of the cone $=\pi r^(2) (h)/(3) = \pi (3^(2)) (2)/(3) = 18.85$ cubic inches.

The volume of the cylinder, $V=\pi r^(2) h.$ Here r = 3 inches and h = 2 inches.

So the volume of the cylinder = $=\pi r^(2) h= \pi (3^(2)) (2) = 56.55$ cubic inches.

The volume of the sphere, $V=(4)/(3) \pi r^(3).$ Here r = 3 inches.

So the volume of the sphere $=(4)/(3) \pi (3^(3))= 113.1$ cubic inches.

Step 2:

Now we check to see which statements are true.

A. About 113 cubic inches of catnip will fit inside a sphere-shaped toy so it is true.

B. About 18.8 cubic inches of catnip will fit inside a cone-shaped toy so it true.

C. The sphere-shaped toy holds the most of the three so it is true.

D. No shape holds 169.6 cubic inches, so D is false.

E. The toys shaped like a cone and a cylinder do not hold the same amount of catnip in them. So it is false.

P.S. I couldn't see the options B, D, and E completely.

Jimmy is selling used books at a yard sale. A customer buys 9 books at a cost of $0.75 each and pays with a $20.00 bill. Jimmy must determine c, the amount of change in dollars he should give the customer. Which equation represents c?mc017-1.jpg
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Answers

Answer: .75(9)+c=20

Explanation: Took the quiz

A car can travel 275 miles in 5 hours. Find the average speed in miler per hour.(please show steps!)

Answers

you just divide 275 with 5 so five cant to into 2 so you add the 7 down that will equal 5 and you subtract 25 because 5 cant go into 27 and that equals 2 you then bring down the five and it will make 25 5 mutiplied by 5 equals 25 so it would make 55 PLUS to check multiply 55 with 5=275 <3

275/5=55
The average speed is 55 mph.

What is the reduced fraction of 35/210

Answers

Answer:1/6

Step-by-step explanation:

Find the GCD (or HCF) of numerator and denominator

GCD of 35 and 210 is 35

Divide both the numerator and denominator by the GCD

35 ÷ 35

210 ÷ 35

Reduced fraction:

To find mileage, or how many miles a car can travel per gallon of gasoline, you can use the expression m/g, where m is the distance in miles and g is the number of gallons of gas used. Find the gas mileage in miles per gallon for a car that travels 212 miles on 8 gallons of gas.

Answers

I think the answer is 26.5 mpg. I divided 212 by 8 and got 26.5 as my answer.

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