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VashaNatasha [74]
3 years ago
15

I WILL MARK YOU BRAINLEST IF YOU HELP PLS HELP !!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
ipn [44]3 years ago
6 0

Answer: C. For every 2 rectangles there are 4 triangles.

Step-by-step explanation: I just did it on Edge :)

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A bag contains 10 red marbles, 8
zloy xaker [14]
The probability of it is 2/5
5 0
3 years ago
Use the graph to complete the following. The probability that a boxer weighs between 60 and 80 pounds is %
AlexFokin [52]

Answer:

95%

Step-by-step explanation:

The Empirical rule, also the 68–95–99.7 rule, states that for a population that is approximately normal or symmetrical, nearly all of the data values will lie within three standard deviations of the mean;

68% of data values will fall within one standard deviation from the mean

95% of data values will fall within two standard deviation from the mean

99.7% of data values will fall within three standard deviation from the mean

From the graph given, we note that the weights 60 and 80 pounds fall within two standard deviations from the mean;

70 ± (2*5) = 70 ± 10 = (60, 80)

70 is the mean, 5 the standard deviation and 2 the number of standard deviations from the mean. From the Empirical rule we can conclude that the probability that a boxer weighs between 60 and 80 pounds is 95%

7 0
3 years ago
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3. A train set costs $120.00. Find the discount if it is on sale for<br> 30% off.
Leno4ka [110]

Answer:

36

Step-by-step explanation:

To find the discount, you will need to find 30% of $120, so you will need to do:

120*0.3=36

Also, if you were asking for the COST if it was 30% off, it would be 84 as 120-36=84.

(I hope this helps!)

4 0
3 years ago
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A ball has a circumference of 9.42 cm. what is the diameter
Keith_Richards [23]
2.998 correct me if wrong
6 0
3 years ago
3/8 + (-7/8) =<br> ???? brianliest
ser-zykov [4K]

Answer:

-0.5

Step-by-step explanation:

just divide the numbers first then add them together

6 0
3 years ago
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