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3 years ago

A department store is having a sale of 20% off of all kitchen appliances. What is the sale price for a $250 microwave?

Mathematics

1 answer:

IgorC [24]3 years ago

3 0

Answer:

200

Step-by-step explanation:

The price is 100%-20%=80% of the original.

So, 250*0.8 = 200

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Decide whether the table could represent a proportional relationship. If the relationship could be proportional, what would be t

Feliz [49]

Answer:

a) non-proportional/ constant rate: 3

b) non-proportional/ constant rate 3

Step-by-step explanation:

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2 years ago

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Diane is 23 years older than her daughter Amy and 6 years Diane will be twice as old as Amy how old are they now

Dmitry_Shevchenko [17]

The age difference between Diane and Amy remains the same. 6 year later, the age difference is still 23 years old.

6 years later,
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Now,
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Diane, 40 years old.

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3 years ago

An electronics store makes a profit of $72 for every standard CD player sold and $90 for every portable CD sold. the managers ta

Alisiya [41]

s -> no: of standard CD players sold

p -> no: of portable CD players sold.

Profit Per Standard CD player=72$

Profit per Portable CD player =90$

Target Amount =360$

In short: The combined sales of Both the CD player's must exceed or atleast become equal to 360$ to acquire the target.

Thus; the inequality can be stated as:

 72(s) + 90(p) ≥360

-> 36(s) + 45(p) ≥180

-> 12(s) +15(p) ≥ 90

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->| 4(s) + 5(p) ≥ 30 |

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3 years ago

What does 2 5/2 – 2 3/2 what is the answer

NeX [460]

Answer:

The answer is one-

Step-by-step explanation:

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3 years ago

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Which of the following is a Type I error?

Sedaia [141]

Answer:

C. The president rejects the hypothesis that the proportion of students who earn a bachelor's degree within six years is 0.398, when, in fact, the proportion is 0.398.

Step-by-step explanation:

A type I error occurs if you reject the null hypothesis when it is true.

Now the hypotheses are:

$H_0:$ The proportion is 0.398

$H_1:$ The proportion is less than 0.398

If in actual fact the proportion is 0.398, then the president must not reject the $H_0$ .

This is a correct decision.

If in actual fact the proportion is 0.398, and the president rejects the $H_0$ , then a type I error is committed.

The correct choice is C.

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3 years ago