A DVD player that regularly sells for $325 is marked down to $215.75. What is the discount rate?

Answers

Answer 1
Answer: The price is  325 - 215.75 = 109.25 $ lower. 

In percent:

(109.25)/(325) \cdot 100\% = (10 \ 925)/(325) \%  \approx 33.62\%

It is about 33.62%

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The set of ordered pairs (-1,8), (0, 3), (1, -2), and (2-7) represent a function. What is the range of the function?{xx=-1, 0, 1, 2}
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Answers

Answer:

Range is given by the second option: y={-7,-2,3,8}.

Step-by-step explanation:

Range is the set of possible y values in a given function.

Here, the function is defined by the following ordered pairs:

(-1,8),(0,3),(1,-2),(2,-7)

The y values of the function are y={-7,-2,3,8}

Therefore, the range is given as y={-7,-2,3,8}.

So, the second option is correct.

Answer:

B: {y: y = –7, –2, 3, 8}

Step-by-step explanation:

edg2021

The range is the Y, and the Y is the second number in the ordered pairs.

Josh used a standard deck of 52 cards to conduct an experiment. Half of the cards in the deck were red. The other half were black. Josh predicted that he would choose a red card in 4 out of 8 trials. When he conducted the experiment, he actually chose a red card 6 out of 8 times. Which explains the most likely reason for the discrepancy between Josh’s predicted and actual results?A.He incorrectly predicted the number of times he would choose a red card.
B.He incorrectly determined the actual number of times he chose a red card.
C.He used too few trials for the sample space.
D.He used too many trials for the sample space.

Answers

Answer: C. He used too few trials for the sample space.


Step-by-step explanation:

Given: Josh used a standard deck of 52 cards to conduct an experiment.

As half of the cards in the deck were red.

If we take sample space= 52 cards

Then probability of getting a red card=(1)/(2)

But Josh took 8 cards as sample space which is not enough for the sample space.

therefore, C. is the right answer. "He used too few trials for the sample space."


Answer:

Option C - He used too few trials for the sample space.

Step-by-step explanation:

Given: Josh used a standard deck of 52 cards to conduct an experiment. Half of the cards in the deck were red. The other half were black.

Josh predicted that he would choose a red card in 4 out of 8 trials.

When he conducted the experiment, he actually chose a red card 6 out of 8 times.

To find : Which explains the most likely reason for the discrepancy between Josh’s predicted and actual results?

Solution :

Sample space = 52 cards

As half of the cards in the deck were red.

Probability of getting a red card is (1)/(2)

He predict and conduct to choose a red card out of 8 trials which is not enough for the sample space.

Therefore, Option C is correct.

He used too few trials for the sample space.

Help with 14? plz thx for your help

Answers

A) is 0.51 B) is 0.85 C) is 3/4 hope this helps :D

Which is the best estimate for the weight of a stapler 4 ounces for pounds 4 inches or feet

Answers

The answer is 4 ounces. This problem just requires that you have a "feeling" of what the units are. You should know that 4 pounds is a heavy weight for a stapler: it would be difficult to handle. While inches and feet are not units of weight but of length.

Divide. Check your answer 1. 837 ÷ 36

2. 1,650 ÷ 55

3. 5,634 ÷ 18

4. 7,231 ÷ 24

5. 5,309 ÷ 43

6. 3,774 ÷ 37

7. 1,099 ÷ 54

8. 6.440 ÷ 28

9. 5,256 ÷ 52

10. 1,955 ÷ 85

11. 5,624 ÷ 46

Answers

1.   23.25

2.    30

3.   313

4.    301.3

5.   123.5

6.   102

7.     20.4

8.   134.2

9.   101.1

10.   23

11.  122.3
1. 23.25
2. 91.7 (rounded)
3. 313
4. 301.3 (rounded)
5. 123.5 (rounded)
6. 102
7. 20.4(rounded)
8. 230 or .23(you have a decimal written down)
9. 101.1(rounded)
10. 23
11. 122.3(rounded)

madison bought a new phone at 20% off the original price. If she paid $320 what was the original price of the phone

Answers

Answer:

$400

Step-by-step explanation:

Hi we have to use the Rule of the Three

The price that we paid represents the 80% of the original prize

Hence we have that

$320⇒80% (.8)

$x⇒100%(.1)

As we know we have to multiply diagonally and divide with the one in the corner

So we have (320)*(1 )=320 and then divide (320)/(.8)=400

Hence the original price was $400

Answer:

400

Step-by-step explanation:

320/(1-0.2)=Original price

400x0.8=320