Ask question

Ask question

All categories

2 years ago

7

Find the modulus and the unit vector along the sum of the vectors. - r₁ +r₂ +r3 given that r₁ = 2i+j+4k - r₂ = 3i-2j+7k, r3 = 5i

+ 2j - 3k. 2

1 answer:

bazaltina [42]2 years ago

8 0

j+8k

first -2i+j+4k-3i-2j+7k+5i+2j-3k

You might be interested in

Write each as a decimal.Round to the thousands place

max2010maxim [7]

Answer:

2) 0.3

4) 0.09

6) 0.65

8) 4.45

Step-by-step explanation:

hope this helps ;)

7 0

3 years ago

Read 2 more answers

You pick a card at random.<br> What is P(even or prime)?<br><br> Write your answer as a percentage.

Nataly [62]

The answer is 50 percent because there is a 2/4 x 100 chance

6 0

2 years ago

How many telephone numbers are there in the 509 area code? Telephone numbers may not start with the number 0 or 1. They also mus

anastassius [24]

There are 1798 telephone numbers in the area if I am not wrong and PLEASE mark me Brainliest

4 0

3 years ago

<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bx%7D%7B19%7D%20%20%3D%206" id="TexFormula1" title=" \frac{x}{19} = 6" alt=" \fra

Alex17521 [72]

[ Answer ]

$\boxed{X \ = \ 114}$

[ Explanation ]

$\frac{x}{19}$ = 6

Multiply Both Sides By 19

$\frac{x}{19}$ = 6 · 19

Simplify:

X = 114

Check Your Work:

$\frac{114}{19}$

Simplify:

= 6

$\boxed{[ \ Eclipsed \ ]}$

5 0

3 years ago

The line passing through which two points is parallel to the line x - 2y = 16?

Naddika [18.5K]

Answer:

E) -4,7 and -2,8

Step-by-step explanation:

parallel lines have same slope

x - 2y = 16

y = 1/2 x -8 slope: 1/2

E. slope = Δy / Δx = (8-7) / (-2 - -4) = 1/2

5 0

3 years ago