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Grace [21]
2 years ago
7

an item is regularly priced at 60$ Carmen bought it at a discount of "70 %" off the regular price. How much did carmen play?

Mathematics
1 answer:
densk [106]2 years ago
3 0
Your answer will be 10 dollars.
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Reese went cycling in the morning .The ratio of her distance in miles to the length of time in minutes was 15:60 tease concluded
rodikova [14]

Answer:

No, she is not correct as her speed is 0.25 miles per minute.

Step-by-step explanation:

Given:

Ratio of distance  to time taken is 15 : 60.

Distance is in miles and length of time is in minutes.

We know that, average speed is given as the ratio of the distance traveled and the length of the time taken.

So, the ratio above is nothing but the average speed of Reese for cycling.

Thus, average speed of Reese is given as:

\textrm{Average speed}=\frac{Distance}{Time}\\\\\textrm{Average speed}=\frac{15}{60}\ miles\ per\ min\\\\\textrm{Average speed}=\frac{1}{4} = 0.25\ miles\ per\ min

Therefore, the average speed of Reese is 0.25 miles per minute which is not equal to the one mentioned by Reese as 4 miles per minute.

So, Reese conclusion of her average speed is incorrect. It's not 4 but the reciprocal of 4 which is 0.25 miles per minute.

7 0
3 years ago
BRAINLIEST FOR BEST ANSWER
LenaWriter [7]
THE AWNSER IS B (10,-1)
8 0
3 years ago
triangle pqr is dilated by a scale factor of 2. the center of the dilation is (0,0). how does the image of triangle pqr relate t
Galina-37 [17]

Answer:

The image is larger..........

7 0
2 years ago
The following data set represents the math test scores for a class of 20 students.90, 60, 85, 100, 100, 90, 100, 75, 100, 95, 95
Ede4ka [16]

The first step to identifying the central tendency of the data set is to order the scores from least to greatest, so:

15,30,40,60,70,75,80,85,85,90,90,90,95,95,100,100,100,100,100,100

Now, the mode of a data set is the value that occurs most frequently. As we can observe in this case, the mode is 100 but is at the right extreme of the set, it is not the central tendency of the data.

The formula gives the mean:

\bar{x}=\frac{\sum_{i=1}^nx_i}{n}

So, we need to sum all the values and divide it by the total number of values, 20:

\begin{gathered} \bar{x}=\frac{15+30+40+60+70+75+80+85+85+90+90+90+95+95+100+100+100+100+100+100}{20} \\  \\ \bar{x}=\frac{1600}{20}=80 \end{gathered}

As we can observe, the mean is a little bit far of the central tendency, given that the most frequent values are over 80.

Finally, let's check the median, and it is the value that is located at the center of the data set. As we have 20 values, the median will be the average value between the 10th and 11th terms, so:

10th term: 90

11th term:90

Median: 90.

It is more representative to the central tendency of the data se

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1 year ago
As part of a class project, a university student surveyed students in the cafeteria to look for a relationship between the stude
dlinn [17]
We need a picture of the results or I can't do it!

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