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kati45 [8]
3 years ago
10

One particularly large ant hill found in 1997 measured 40 inches wide at the base and 18 inches high. What was the slope of the

ant hill
Mathematics
2 answers:
Lina20 [59]3 years ago
6 0
Answer: The slope of the ant hill is 18/20 or 0.9.

For the slope, we need to put the vertical change over the horizontal change. In this case, the vertical change of the ant hill is 18.

Now for the horizontal change, the entire base is 40. However, we only need half of that because we need the distance from the outside to the middle where the height is. Half of 40 is 20.

Therefore, the slope is up 18 over 20. Or 18/20 = 0.9.
shtirl [24]3 years ago
6 0

Answer: 18 over 20 or 0.9

Step-by-step explanation: You know that 18 is the height and 40 is the base, so put 18 over 40. Since you only need to know the base from the end to the middle, you need half which is 20. Thus, the answer is 18 over 40.

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This is used for the next few questions: The rating for the new scary movie has a scale of 0 to 10. The average response was tha
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Answer:

The percentage that of people who gave the movie a rating between 6.8 and 8.8

<em>P(6.8≤X≤8.8)  = 83.9≅ 84 percentage</em>

Step-by-step explanation:

<u> Step(i):-</u>

Mean of the Population = 8.3 points

Standard deviation of the Population = 0.5 points

Let 'X' be the random variable in normal distribution

<em>Let X = 6.8</em>

Z = \frac{x-mean}{S.D} = \frac{6.8-8.3}{0.5} = -3

Let X = 8.8

Z = \frac{x-mean}{S.D} = \frac{8.8-8.3}{0.5} = 1

The probability that of people who gave the movie a rating between 6.8 and 8.8

<em>P(6.8≤X≤8.8) = P(-3≤Z≤1)</em>

                     = P(Z≤1)- P(Z≤-3)

                    =  0.5 + A(1) - ( 0.5 -A(-3))

                   = A(1) + A(3)       (∵A(-3)=A(3)

                  =  0.3413 +0.4986    (∵ From Normal table)

                 = 0.8399

<u><em>Conclusion:-</em></u>

The percentage that of people who gave the movie a rating between 6.8 and 8.8

<em>P(6.8≤X≤8.8)  = 83.9≅ 84 percentage</em>

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Answer:

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Step-by-step explanation:

The question above says that,Krispy kritters cereal used to come in a box with a volume of 2,850 cm3. However, the krispy kritters co. Designed a new larger box 22.5 cm wide, 6.2 cm deep, and 30 cm high and we are now asked to find "How many more cubic centimeters will the new box hold than the old box?

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And we were given the new dimensions which are;

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Therefore,the difference in volume between the new box and the old box is

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