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3 years ago

in a sale, the price of a coat was reduced by 25% if joe paid 90% for the coat wat was the original price

Mathematics

1 answer:

ra1l [238]3 years ago

5 0

Did you mean he paid $90 or do you mean the cost was reduced $25?

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NEED HELP 10 POINTS

leonid [27]

48.8 megabytes. When the download is 17.5% complete, have been downloaded 48.8 megabytes.

The key to solve this problem is using the rule of three.

If 279Mb -------------> 100%

x <------------- 17.5%

x = [(279 megabytes)(17.5)]/100

x = 48.825 megabytes

Round to the nearest tenth 48.8 megabytes.

6 0

3 years ago

Nine times the input minus seven is equal to the output. If the input is -1, what is the output?

uranmaximum [27]

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$f(x) = 9x - 7$

$f( - 1) = 9( - 1) - 7$

$f( - 1) = - 9 - 7$

$f( - 1) = - 16$

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7 0

3 years ago

Question 4 (2 points)

Law Incorporation [45]

Answer:

x= $19.25 + $36

y= total cost

Step-by-step explanation:

x= number of nights + admission

y= total cost

7 0

3 years ago

What is the mean wages

Julli [10]

Answer:

Mean wage is the average wage for a worker in a specified position or occupation, which may be skewed up or down if there are a few extreme examples in the sample.

Step-by-step explanation:

6 0

3 years ago

Assume that a set of test scores is normally distributed with a mean of 70 and a standard deviation of 10. In what percentile is

vlabodo [156]

Given:
μ = 70, the mean
σ = 10, the standard deviation

The random variable is x = 65.
Calculate the z-score.
z = (x - μ)/σ = (65 -70)/10 = - 0.5

From standard ables, obtain
P(x<5) = 0.3085 ≈ 30%
The score of 65 is in the 30th percentile.

Answer: 30th

3 0

3 years ago