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pishuonlain [190]
3 years ago
11

The solid was created by connecting two congruent square pyramids to a rectangular prism.

Mathematics
2 answers:
svlad2 [7]3 years ago
8 0

Answer:1920

Step-by-step explanation:

Fofino [41]3 years ago
3 0

Answer:  1920

Step-by-step explanation:

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A data set consists of the data given below plus one more data point. When the additional point is included in the data set the
belka [17]

Answer:

Value of additional data point is 31.

Step-by-step explanation:

We are given the following data set:

34, 18, 18, 40, 11, 22, 30, 25, 19, 21, 45 34, 18, 18, 40, 11, 22, 30, 25, 19, 21, 45

Formula:

Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}

Mean =\displaystyle\frac{487}{20} = 24.35

The old mean is 24.35

A new data was added in the data. The new mean is 24.667

We have to find the value of additional point.

Let x be the added point in the data set.

Thus, we can write:

24.667 = \displaystyle\frac{487+x}{21}\\\\x = 21(24.667)-487 = 31.007 \approx 31

Thus, value of additional data point is 31

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4 years ago
Polonium-210 is a radioactive substance with a half life of 138 days. If a nuclear facility is handling 265 grams of polonium-21
dlinn [17]

The half life is 138 days, meaning exactly half of the material will decay after this time. Use this information to find the decay factor k:

\dfrac12=e^{138k}\implies k=-\dfrac{\ln2}{138}

Then after 250 days, there will be

265e^{250k}\approx75.492

grams left.

5 0
4 years ago
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Order each set of numbers from greatest to least square root 43, 3.6, -3 square root 2?
Alekssandra [29.7K]
√(43) = 6.55.
-3√(2) = -4.24...


√(43) > 3.6 > -3√(2)
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4 years ago
Carly’s number is four less than Henry’s number. The sum of their numbers is 77. Find the number
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Carly's number is 36.5 and Henry's number is 40.5

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But there is no problem here
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3 years ago
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