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tatiyna
3 years ago
5

How many faces does a pyramid with a square base have? A. 7 B. 5 C. 6 D. 8

Mathematics
2 answers:
ElenaW [278]3 years ago
7 0

Answer:

B. 5

Step-by-step explanation:

Each edge of the base has one triangular face attached to it (which then come together). Since it is a square base, this gives you 4 faces, and the base itself makes 5 faces.

Sergio [31]3 years ago
3 0
5 faces because there are 4 triangle sides and 1 square side. (or face whatever you wanna call it)
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How can you tell there is no solution of a system of equations by looking at the equations or the graph? Explain.​
sashaice [31]
Each shows two lines that make up a system of equations. If the graphs of the equations intersect, then there is one solution that is true for both equations. If the graphs of the equations do not intersect (for example, if they are parallel), then there are no solutions that are true for both equations.
5 0
3 years ago
In a survey of 300 house wires. It was discovered
ruslelena [56]

Answer:

46 housewives read all three magazines.

Step-by-step explanation:

Given:

        n(A) = 150

        n(B) = 200

        n(C) = 156

        n(A∩B) = 48

        n(B∩C) = 60

        n(A∩C) = 52

         n(A∪B∪C) = 300

so we know the relation as:

  n(A∪B∪C) = n(A) + n(B) + n(C) - n(A∩B) - n(B∩C) - n(A∩C) + n(A∩B∩C)

∴ n(A∩B∩C) = n(A) + n(B) + n(C) - n(A∩B) - n(B∩C) - n(A∩C)  - n(A∪B∪C)

                    = 150 + 200+ 156 - 48 - 60 - 52 - 300

                   = 46

Hence the number of housewives that had read all three magazine is 46.

8 0
3 years ago
The complement of angle A is 38 degrees more than angle A
ozzi
I assume that you want the measurement of angle A
A + (A + 38) = 90
angle A + (38 more than angle a) = are complementary
2A = 52
A = 26

Hope this helps. If it did, consider making it Brainliest!
8 0
3 years ago
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3 years ago
Which situation would not be represented by the integer -9?
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The correct answer would be

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2 years ago
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