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Veronika [31]
3 years ago
8

A right rectangular prism and an oblique triangular prism are both 12 centimeters tall and have the same volume. What statement

must be true about the two solids? A. The area of the cross-sections of the prisms are multiples of each other. B. The vertical cross-sections of the prisms at the same width must have the same area. C. The cross-sections of the prisms are the same shape. D. The horizontal cross-sections of the prisms at the same height must have the same area.
Mathematics
2 answers:
Wittaler [7]3 years ago
3 0
The volume of a prism is the product obtained when multiplying the area of its base to its height. If the two given solid figures have the same volume and the same height then, the areas of their bases are also equal. Thus, the answer is letter D. 
Paul [167]3 years ago
3 0

Answer:

D. The horizontal cross-sections of the prisms at the same height must have the same area.

Step-by-step explanation:

The formula for the volume of both the rectangular prism and the oblique triangular prism is:

V=Ab*H

Which is area of the base times the height, if they both have the same height then the area of the base must be the same, since the figures are different, as the base of one is rectangular and the other is a triangle, you can not have the same measurements for the width or the vertical crossed sections, since the area is distributed different.

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Scores on a certain IQ test are knownto have a mean of 100. A random sample of 43 students attend a series of coaching classes b
NeX [460]

Answer:

Part 1

Type II error

Part 2

No ; is not ; true

Step-by-step explanation:

Data provided in the question

Mean = 100

The Random sample is taken = 43 students

Based on the given information, the conclusion is as follows

Part 1

Since it is mentioned that the classes are successful which is same treated as a null rejection and at the same time it also accepts the alternate hypothesis

Based on this, it is a failure to deny or reject the false null that represents type II error

Part 2

And if the classes are not successful so we can make successful by making type I error and at the same time type II error is not possible

Therefore no type II error is not possible and when the null hypothesis is true the classes are not successful

6 0
3 years ago
Makayla leaves a tip of $15. This was 15% of the bill before the tip.
Minchanka [31]

Answer:

100

Step-by-step explanation:

both the percentage and the money have the same number, and there's always 100% so it'd be 100 before the tip

8 0
3 years ago
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emmasim [6.3K]
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3 years ago
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lisabon 2012 [21]

Answer:

26

Step-by-step explanation:

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7 0
3 years ago
Multiplies to -1120 adds to 3
TEA [102]
With these, always write out the multiples first.

Start like this:
(assume one of the factors is negative)
1 and 1120
2 and 560
4 and 280
5 and 224
7 and 160
8 and 140
10 and 112
14 and 80
16 and 70
20 and 56
28 and 40
32 and 35

from those, the obvious choice is the one with a difference of three. In this case, 32 and 35, because -32 + 35 equals 3.
6 0
3 years ago
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