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3 years ago

A refrigerator costs $1200 wholesale. If the mark-up on the refrigerator is 20%, what is the new price?

Mathematics

1 answer:

shutvik [7]3 years ago

8 0

Answer:

The answer is $960

20% of $1200 is $240

So $1200 - $240 = $960

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Quincy, Ralph, Samantha and Teresa all joined a summer reading program. Quincy read five more books than Ralph did. Ralph read h

Dominik [7]

Answer:

Quincy read 9 books.

Step-by-step explanation:

Work backwards. Samantha read three less books than Teresa (11-3=8). Ralph read half as many books as Samantha (8/2 = 4). Quincy read five more books than Ralph (4 + 5 = 9).

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3 years ago

Emmanuel carves a cone-shaped hollow out of a solid clay cylinder. What is the approximate volume of the solid portion of the cy

bixtya [17]

Answer:

$3.14r^2(h-\frac{1}{3}h_1)$

Step-by-step explanation:

Let h be the cylinders height and r the radius.

-The volume of a cylinder is calculated as:

$V=\pi r^2h$

-Since the cone is within the cylinder, it has the same radius as the cylinder.

-Let $h_1$ be the height of the cone.

-The area of a cone is calculated as;

$V=\pi r^2 \frac{h}{3}\\\\=\frac{1}{3}\pi r^2h_1$

The volume of the solid section of the cylinder is calculated by subtracting the cone's volume from the cylinders:

$V=V_{cy}-V_{co}\\\\=\pi r^2h-\frac{1}{3}\pi r^2 h_1, \pi=3.14\\\\=3.14r^2(h-\frac{1}{3}h_1)$

Hence, the approximate area of the solid portion is $3.14r^2(h-\frac{1}{3}h_1)$

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4 years ago

Ray had 60 football cards last year.This year he has 200. Find the percent of change

bulgar [2K]

Answer:70%

Step-by-step explanation: no. of cards last year=60

no. of cards presently=200

increase in no. of cards=200-60

=140

%change=140/200 x 100

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3 years ago

Which of following is the graph of y = -(x + 1)- -3?

IrinaK [193]

Answer:

Here is you graph

Step-by-step explanation:

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3 years ago

The question is below (This an order of operation question)

olga_2 [115]

Step-by-step explanation:

i am 90% sure this is correct

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3 years ago

Read 2 more answers