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3 years ago

An electronics store sold an auto stereo for $410.29, a loss of 11% of the dealer's original cost. Find the orginal cost.

Mathematics

1 answer:

Sidana [21]3 years ago

3 0

Answer:

$399 dollars and 29 cents

Step-by-step explanation:

$410.29-11

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Answer:

A rectangular prism in which BA = 20 and h = 6 has a volume of 120 units3; therefore, Shannon is correct

Step-by-step explanation:

step 1

Find the area of the base of the rectangular pyramid

we know that

The volume of the rectangular pyramid is equal to

$V=\frac{1}{3}BH$

where

B is the area of the base

H is the height of the pyramid

we have

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substitute and solve for B

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step 2

Find the volume of the rectangular prism with the same base area and height

we know that

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we have

$B=20\ units^{2}$

$H=6\ units$

substitute

$V=(20)(6)=120\ units^{3}$

therefore

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An electronics store sold an auto stereo for ​$410.29​, a loss of 11​% of the​ dealer's original cost. Find the orginal cost.

An electronics store sold an auto stereo for $410.29, a loss of 11% of the dealer's original cost. Find the orginal cost.