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3 years ago

8

A line is drawn on a coordinate grid by the equation x = 5. Which of the following lines would represent a row perpendicular to

it?

1 answer:

DanielleElmas [232]3 years ago

7 0

Answer:

mmm

Step-by-step explanation:

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Find the volume of the following

ki77a [65]

Finding the volume of this will mean that we'll have to know the formula. The formula for finding the volume of a prism is L x W x H.
L- Lenght
W - Width
H - Height.

So Volume is going to be equalled to 6 x 5 x 4 = 120 cm cubed

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3 years ago

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brian makes an investment in his company’s stock . what does the stock chart say about the stock price today? The down arrow ind

Ivan

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Step-by-step explanation:

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2 years ago

Pls help! <br> Identify the range of the function shown in the graph. <br><br> Thanks

s2008m [1.1K]

Answer:

A

Step-by-step explanation:

Range is all y values of a graph and seeing that it has no arrows means its not infinite so its not B. The graph starts at 0 and ends at 5 so the smallest value is 0 and the largest is 5 therefore making the answer A.

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2 years ago

Let u = (1, k) and v = (2, 1). Find k such that The distance between u and v is 1 u and v are orthogonal The angle between u and

SVETLANKA909090 [29]

Answer:k=1,k=-2,k= $8\pm 5\sqrt{3}$

Step-by-step explanation:

Given two vectors

$u=1\hat{i}+k\hat{j}$

$v=2\hat{i}+1\hat{j}$

$\left ( i\right )$ Distance between them is given by

$|u-v|=\sqrt{\left ( 2-1\right )^2+\left ( 1-k\right )^2}=1$

squaring both side

$1^{2}+\left ( 1-k\right )^2=1$

$k^2-2k+1=0$

$\left ( k-1\right )^2=0$

k=1

$\left ( ii\right )$

angle between u and v is 90 i.e. orthogonal

$u\dot v=0$

$\left ( 1\hat{i}+k\hat{j}\right )\dot \left ( 2\hat{i}+1\hat{j}\right )$ =0

2+k=0

k=-2

$\left ( iii\right )$

angle between u & v is $\frac{\pi }{3}$

$u\dot v=|u||v|cos\left (\frac{\pi }{3}\right )$

$|u|=\sqrt{1^2+k^2}$

$|v|=\sqrt{2^2+1^2}$

$2+k=\left ( \sqrt{1+k^2}\right )\left ( \sqrt{5}\right )cos\left ( \frac{\pi }{3}\right )$

$\left ( 4+2\right )^2=\left ( 1+k^2\right )5$

$k^2-16k-11$ =0

k= $8\pm 5\sqrt{3}$

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3 years ago

AAA PRECISO PRA AMANHA

ANTONII [103]

Desce 3 , sobe 5 pra esquerda, joga um 2 pra lá, e tbm desce sua tia quicando na minha banana! MUAHAHA

6 0

3 years ago