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Mice21 [21]
3 years ago
14

Which solid figure has 4 faces that are triangles and 1 face that is a rectangle?

Mathematics
1 answer:
Strike441 [17]3 years ago
8 0
I think the answer is a tetrahedron
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Priscilla can make 4 bracelets in 18 minutes. At this rate, how many bracelets can she make in 54 minutes?
Jobisdone [24]

Answer:

13 full bracelets

Step-by-step explanation:

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2 years ago
Striking a tuning fork harder makes the sound coming from the fork louder. This changes the _________ of the sinusoidal graph.
Vera_Pavlovna [14]

Answer:

Amplitude.

Step-by-step explanation:

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2 years ago
Determine if the specified linear transformation is ​(a​) ​one-to-one and ​(b​) onto. Justify your answer. ​T: ​, ​T(​)​(​,​), ​
xz_007 [3.2K]

Answer:

C. T is not​ one-to-one because the standard matrix A has a free variable.

Step-by-step explanation:

Given

T(x_1,x_2,x_3) = (x_1-5x_2+4x_3,x_2 - 6x_3)

Required

Determine if it is linear or onto

Represent the above as a matrix.

T(x_1,x_2,x_3) = \left[\begin{array}{ccc}1&-5&4\\0&1&-6\\0&0&0\end{array}\right]  \left[\begin{array}{c}x_1&x_2&x_3\end{array}\right]

From the above matrix, we observe that the matrix does not have a pivot in every column.

This means that the column are not linearly independent, & it has a free variable and as such T is not one-on-one

8 0
2 years ago
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mr Goodwill [35]

Answer: Answer is x

Step-by-step explanation:

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3 0
3 years ago
Read 2 more answers
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