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Sati [7]
3 years ago
11

A store offers a discount of 40%. The discount price of a shirt is $42 . What is the regular price?

Mathematics
2 answers:
statuscvo [17]3 years ago
6 0

Answer:

$70.00

Step-by-step explanation:

use the percent off calculator on freeonlinecalculatoruse.com

hope this helps :)

Rasek [7]3 years ago
4 0

Answer:

$70 is the regular price of the shirt.

Step-by-step explanation:

One way in which to find the regular price here is to write the equation

0.60s = $42.  A 40% discount is reflected in 100% - 40%, or 1.00 - 0.40, which comes out to 0.60.

If 0.60s = $42, then the regular price of the shirt is

s = ($42)/0.60 = $70

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3 years ago
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Probability that a randomly selected adult has an IQ less than 137 is 0.9452

<u>Step-by-step explanation:</u>

<u>Step 1: </u>

Sketch the curve.

The probability that X<137 is equal to the blue area under the curve.

<u>Step 2: </u>

Since μ=105 and σ=20 we have:

P ( X<137 )=P ( X−μ<137−105 )= P(X−μ/ σ< 137−105/20 )

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<u>Step 3: </u>

Use the standard normal table to conclude that:

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