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natta225 [31]
4 years ago
13

Find the product. -8 [7,-4,0][-3,0,5][6,2,1]

Mathematics
2 answers:
Nadusha1986 [10]4 years ago
5 0
The correct answer would be A you welcome
grigory [225]4 years ago
3 0
Scalar multiplication for a matrix is very straightforward

\bf -8
\begin{bmatrix}
7&-4&0\\
-3&0&5\\
6&2&1
\end{bmatrix}\implies
\begin{bmatrix}
-8\cdot 7&-8\cdot -4&-8\cdot 0\\
-8\cdot -3&-8\cdot 0&-8\cdot 5\\
-8\cdot 6&-8\cdot 2&-8\cdot 1
\end{bmatrix}
\\\\\\
\begin{bmatrix}
-56&32&0\\
24&0&-40\\
-48&-16&-8
\end{bmatrix}
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Hurry please
dezoksy [38]
<h3>Answer: Perpendicular</h3>

The slopes -2/3 and 3/2 multiply to -1, which is sufficient info that the lines are perpendicular. Perpendicular slopes always multiply to -1 assuming neither line is vertical nor horizontal.

Note how -2/3 is the negative reciprocal of 3/2, and vice versa.

5 0
3 years ago
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When a ray bisects an angle, it does all of the following except what?
tamaranim1 [39]
<span>The bisector of an angle is a ray whose end point is the vertex of the angle where it divides the angle into two smaller congruent angles. Therefore, it is in the interior of an angle and it shares a side.

</span>B.

<span>contains the vertex of the angle</span>
5 0
3 years ago
Read 2 more answers
Y=4/5(188)+113.75 solve for y
VARVARA [1.3K]

Answer:

264.15

Step-by-step explanation:

4/5(188)+113.75

=0.8(188)+113.75

=150.4+113.75

=264.15

3 0
3 years ago
Please help me I can’t figure it out NO LINKS <br> LINKS=REPORT
shusha [124]

Answer:

x = 3

y = 8

Step-by-step explanation:

ok we will substitute

y = x + 5

into the second equation

4x + y = 20

4x + (x + 5) = 20

5x + 5 = 20

5x = 15

x = 3

y = x + 5 = 3 + 5 = 8

7 0
3 years ago
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Which number best completes the pattern ?
Annette [7]

Answer:

11

Step-by-step explanation:

the common difference in the last sequence is 5 which can be gotten by subtracting the first term minus the second term.. therefore to find the next term you subtract 5 from the previous term,and 16-5 is 11.

I hope this helps

5 0
3 years ago
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