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Tems11 [23]
2 years ago
11

What’s number 3 & 4 ?!?!?!

Mathematics
1 answer:
Lemur [1.5K]2 years ago
5 0

Answer:

mike

Step-by-step explanation:

hawk...put them together and you should have all your answers to raiding area 51 with an area of 51!

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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
you are a grocery store you buy 4 cans of soup for 5 dollars how much would you pay for 6 cans of soup
Valentin [98]

Answer:

5.75

Step-by-step explanation:

I NEEDED POINTS LOL

7 0
2 years ago
Read 2 more answers
A sample with mean of 85 and SD of 12 is transformed into z-scores. After the transformation, what are the values for the mean a
MrRa [10]

Answer:

The value remain unchanged.

Step-by-step explanation:

By Z score, we mean:

Z = \frac{x-\mu}{\sigma}, if we substitute the given values of mean and standard deviation, we obtain the z score value. That is,

Z =  \frac{85 - 0}{12} = 85/12 = 7.083333.

NB: We assume that mean and standard deviation are in the same units.

5 0
3 years ago
1. The diameter of a circle is 36 centimeters. Find the radius. (Section 13.1)
Pepsi [2]
36/2=18
18 would be your answer the radius is half of the diameter
5 0
2 years ago
Anyone got answers need help
Mkey [24]

∠DCE = ∠BAE because of alternate interior ∠s

∠CDE = ∠ABE because of alternate interior ∠s

Triangle DCE is congruent to Triangle BAE because of ASA

AE = CE because of CPCTC

BE = DE because of CPCTC

4 0
3 years ago
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