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4 years ago

The price of an item has been reduced by 40%. The original price was $60. What is the price of the item now?

1 answer:

4 0

To reduce the item by 40%, you first need to find the 40% of 60. Multiply 0.4*60 and you will get 24. That is 40%. Now you need to subtract that from the original. 60-24 is 36 dollars and that is your answer.

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Two cars traveled equal distances in different amounts of time. Car A traveled the distance in 2 h, and Car B traveled the dista

nikitadnepr [17]

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3 years ago

Find the solution set of the quadratic equation over the set of complex numbers.

blagie [28]

Step 1: Multiply 5x2 = 10 so the equation after the first step should look like this 10 + 12x + 8 = 0.

Step 2: Subtract 10 from the 8 and the number by itself cause whatever you do to one side you must do to the other. so the equation should look like this after the second step 12x + -2 = 0 because we subtracted the 10 and the 8.

Step 3: Now we must add the 2 to both sides because we have to do the inverse operation in this problem so once we've done this it should end up looking like this after the 3rd step 12x = 2 because the 2 was a negative.

Step 4: the final step we must divide since an anytime we have a number next to a variable it means multiply but since were using order of operations we have to do the opposite/inverse operation in this problem and we would divide 12 by 2 and get our final answer as x = -6 because the 12 would cancel itself out leaving us with 2 divided by 12 which is 0.16 or -6 depending on if you want it simplified or not the simplified answer would be 0.16 and the non simplified version would be -6

4 0

3 years ago

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Hal earns $5 a week doing chores for his parents. He also earns $10 a week for each dog, d, he walks

ZanzabumX [31]

Answer:

Step-by-step ex

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3 years ago

Five times a number added with 18 is equal to 48 . What is the number

nevsk [136]

Answer:

Step-by-step explanation:

Number = x

5x + 18 = 48

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6 0

3 years ago

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Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week. Fourteen people ans

elena-s [515]

Answer:

The questions are

What does the frequency column in the attached table sum to?
What does the relative frequency column in attached table sum to?
What is the difference between relative frequency and frequency for each data value in the attached table?
What is the difference between cumulative relative frequency and relative frequency for each data value in attached table?

The correct answers are

65
1
The relative frequency gives the relative proportion of each frequency in the sample while
The frequency is the observed number of count of each grouping has in a given sample size

Step-by-step explanation:

1. The frequency column in the attached column sums up to 65 because it is the total number of sales persons selected

2. The relative frequency column in the attached table sum up to 1 because it is the sum of the fractions of the individual frequencies to the total frequency

3. The difference between relative frequency and frequency for each data value is that

The relative frequency gives the relative proportion of each frequency in the sample while

4. The frequency is the observed number of count of each grouping has in a given sample size

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3 years ago