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horsena [70]
3 years ago
8

1. A three-dimensional figure that has one vertex and one circular base is known as a:

Mathematics
1 answer:
user100 [1]3 years ago
7 0

Answer:

cone

Step-by-step explanation:

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Triangle ABC has side length of 14, 8 and 10.4 what are the possible side lengths of a triangle DEF if ABC is similar to DEF
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Answer:

<em>DEF can have possible side lengths of 28, 16, 20.8</em>

Step-by-step explanation:

<u>Triangle Similarity</u>

If the three sides of two triangles have the same proportion, the triangles are similar (SSS theorem).

Triangle ABC has side lengths of 14, 8, and 10.4.

Any other triangle whose side lengths are the same lengths of ABC multiplied by a constant scale factor is similar to ABC.

For example, select scale factor 2. Thus, the triangle of side lengths 2*14=28, 2*8=16, and 2*10.4=20.8 is similar:

DEF can have possible side lengths of 28, 16, 20.8

Any other scale factor will do.

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3 years ago
A person invests 10000 dollars in a bank. The bank pays 4.75% interest compounded semi-annually. To the nearest tenth of a year,
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Step-by-step explanation:

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Please help! Correct answer only, please! I need to finish this assignment this week. Given matrix A and B both have dimensions
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Answer:

Option B is correct

Step-by-step explanation:

The multiply of matrix A by matrix B that is inverse of A, must result in an identity matrix that has form shown in option B

Hope this helps!

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