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Naddika [18.5K]
3 years ago
8

1.Find the dot product of the two given vectors, u=(1,6) and v=(-5,-2) 2. Find the dot product of v=-7i+4j and w=-6i+5j

Mathematics
2 answers:
Svet_ta [14]3 years ago
8 0
The dot product of the two vectors will be given as follows:
v*w=(-7i+4j)*(-6i+5j)
=(-7*(-6))i+(4*5)j
=-42i+20j

Hence the answer is:
v*w=(-42i+20j)
Lerok [7]3 years ago
8 0

Answer:

Step-by-step explanation:

The answers to the Quick Check are:

1. A) -17

2. D) 62

3. D) sqrt 29

4. D) 150

Just finished the quick check the final score is 4/4 (100%)

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Answer:

B

Hope this helps!

explanation:

we solve the inequality and to do that we must first subtract 12 from both sides, which gets us -x<-4, then we divide both sides by -1, which gives us x>4, since we have to flip the sign when we divide by a negative. when we graph this, there will be a circle around 4 and the arrow pointing to the right, since it's greater than.

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3 years ago
Which shows the equation y + 4 = 2(x – 1) written in standard form? –2x + y = –5 –2x + y = –6 y = 2x – 6 y = 2x – 5
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3 0
3 years ago
Please help me I need assistance
lawyer [7]

(\stackrel{x_1}{2}~,~\stackrel{y_1}{-15})\qquad (\stackrel{x_2}{14}~,~\stackrel{y_2}{r}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{r}-\stackrel{y1}{(-15)}}}{\underset{run} {\underset{x_2}{14}-\underset{x_1}{2}}}~~ = ~~\stackrel{\stackrel{m}{\downarrow }}{\cfrac{3}{4}}\implies \cfrac{r+15}{12}~~ = ~~\cfrac{3}{4}\implies r+15 = \cfrac{12\cdot 3}{4} \\\\\\ r+15=9\implies \boxed{r=-6}

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2 years ago
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stira [4]
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Is Volume = Length x Height x Width

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Hope this helps!
Brainliest is always appreciated if you feel its deserved.

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3 years ago
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