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yulyashka [42]
2 years ago
7

Vector V is shown in the graph below.

Mathematics
2 answers:
Lady_Fox [76]2 years ago
8 0

Answer:

v = -8i - 6j

Step-by-step explanation:

The starting point is (9, 9)

The direction of the vector is the direction of the arrowhead.

The i is the horizontal component.

The j is the vertical component.

Therefore, to go from the start to the end of the line, we need to travel negative 8 units (horizontally) and negative 6 units (vertically).

Therefore, v = -8i - 6j

UkoKoshka [18]2 years ago
7 0

Answer:

  (b)  v = -8i -6j

Step-by-step explanation:

The unit vectors in the x- and y-directions are i and j, respectively.

The vector v shown in the graph extends from x=9 to x=1, or (1 -9) = -8 units in the x-direction.

It extends from y=9 to y=3, or (3-9) = -6 units in the y-direction.

Represented as a sum of x- and y-vectors, that is ...

  v = -8<em>i</em> -6<em>j</em>

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Write the equation of the line with the slope =5 and that goes through point (3,-5)
viva [34]

Answer:

y=5x-20

Step-by-step explanation:

Point-slope form.

\frac{y-(-5)}{x-3} = 5\\y+5 = 5x-15\\y=5x-20

6 0
3 years ago
Can someone please answer. There is a picture. There is only one problem. Thank you so much!!!
kvasek [131]
Hello,

Answer D

x²/25+y²/16=1

5 0
3 years ago
RSM HOMEWORK HELP!!! PLEASE HELP ME ASAP!!
frutty [35]

Answer:

x = 27

Step-by-step explanation:

AC // DE

m∠ABD ≅ m∠BDE = 72°

m∠ADB + m∠BDE + m∠EDF = 180°

2x + 72° + 2x = 180°

4x = 108°

x = 27°

4 0
3 years ago
PLEASE HELP
ehidna [41]
You can find the answer by plugging in any of the multiple choice options into a,
when you square a number (^2), the result is always positive even if the number starts off negative, 
 -25 or 125 wouldn't work for this equation because the answer is too big
but when you plug -5 or 5 in you get the right answer, so the answer is c
3 0
3 years ago
Help please ! thank u
KonstantinChe [14]

Given:

In triangle ABC,m\angle A=138^\circ,c=19,a=29.

To find:

The m\angle C.

Solution:

According to the law of sines:

\dfrac{\sin A}{a}=\dfrac{\sin B}{b}=\dfrac{\sin C}{c}

Taking \dfrac{\sin A}{a}=\dfrac{\sin C}{c}, we get

\dfrac{\sin 138^\circ}{29}=\dfrac{\sin C}{19}

\dfrac{0.66913}{29}\times 19=\sin C

0.4383959=\sin C

Taking sin inverse on both sides, we get

\sin{-1}0.4383959=C

26.001577^\circ=C

C\approx 26^\circ

Therefore, the correct option is b.

6 0
3 years ago
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