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baherus [9]
3 years ago
13

In the equation t = 0.7n - 1.3, the dependent variable

Mathematics
1 answer:
Mila [183]3 years ago
3 0

Answer:

The dependent variable is n i think because the hwole problem depends on n

Step-by-step explanation:

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What is the Standard Deviation of the following set of data?
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Answer:

34

Step-by-step explanation:

34 because i beleive so

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3 years ago
Box all final answers. Little to no work will reccive little to no credit! I. (5 points) Let A and B be 4 x 4 matrices, with det
FinnZ [79.3K]

Answer: a) -6, b) 32, c) -48, d) 9, e) -12

Step-by-step explanation:

Since we have given that

A and B are 4 × 4 matrices.

Here,

det (A) = -3

det (B) = 2

We need to find the respective parts:

a) det (AB)

\mid AB\mid=\mid A\mid.\mid B\mid\\\\\mid AB\mid=-3\times 2=-6

b) det (B⁵ )

\mid B^5\mid=\mid B\mid ^5=2^5=32

c) det (2A)

Since we know that

\mid kA\mid =k^n\mid A\mid

so, it becomes,

\mid 2A\mid =2^4\mid A\mid=16\times -3=-48

d) \bold{det(A^TA)}

Since we know that

\mid A^T\mid=\mid A\mid

so, it becomes,

\mid A^TA\mid=\mid A^T\mid \times \mid A\mid=-3\times -3=9

e) det (B⁻¹AB)

As we know that

\mid B^{-1}\mid =\mid B\mid

so, it becomes,

\mid B^{-1}AB}\mid =\mid B^{-1}.\mid \mid A\mid.\mid B\mid=2\times -3\times 2=-12

Hence, a) -6, b) 32, c) -48, d) 9, e) -12

6 0
3 years ago
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sergiy2304 [10]

Answer:

$2.25

Step-by-step explanation:

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1+1.25= $2.25

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Answer:

A.....................

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Yuri [45]

Answer:

(-2,9)

Step-by-step explanation:

3 0
2 years ago
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