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Ronch [10]
3 years ago
15

Let v = 3i + 2j and w = 2i + 3j. Sketch v, w, v + w, 2w, and v − w in the plane

Mathematics
1 answer:
Nimfa-mama [501]3 years ago
5 0

Answer:

Step-by-step explanation:

In the argand plane for plotting points of complex numbers we take i coefficient as x and j coefficient as y and plot as we plot regular points on the graph.

v=3i+2j

Point is (3,2) A

w =2i+3j , Point is (2,3) B

v+w = 5i +5j Point is (5,5) C

2w = 4i+6j , point is (4,6)

v-w = i-j Point (1,-1)

Please find enclosed the above points plotted on the graph.

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What are the measures of Angles a, b, and c? Show your work and explain your answers.<br> 25 points
bogdanovich [222]

Answer:

a=40

b=50

c= 115

Step-by-step explanation:

The first angle we will find is angle c

65 and angle c make a straight line so they add to 180

c+65 = 180

Subtract 65 from each side

c+65 -65 =180-65

c = 115


Angle a and 40 are vertical angles

Vertical angles are equal

angle a = 40


The sum of the angles in a triangle are equal to 180

a+b+ right angle = 180

40+ b + 90 = 180

130 +b = 180

Subtract 130 from each side

130-130+b = 180-130

b= 50

5 0
3 years ago
Please HELPPP! I have been stuck on this for too long.
ipn [44]

Answer: clearly the answer is B hope this helps

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
-2=-(n-8)=<br> Help please!??
motikmotik

Answer:

n = 10

Step-by-step explanation:

move all terms to the left:

-2-(-(n-8))=0

calculate terms in parentheses: -(-(n-8)), so:

-(n-8)

get rid of parentheses

-n+8

add all the numbers together, and all the variables

-1n+8

go back to the equation:

-(-1n+8)

get rid of parentheses

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add all the numbers together, and all the variables

n-10=0

move all terms containing n to the left, all other terms to the right

n=10

7 0
3 years ago
Parker has 3 green cubes, 4 red cubes, 2 black cubes and 6 yellow cubes. What is the probability that Parker will randomly choos
Mekhanik [1.2K]

Answer: 4/15

Step-by-step explanation: i would wait for someone to answer in case im wrong

7 0
2 years ago
How do I solve this?
7nadin3 [17]

The minimum  happens at x = -b/2a

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Now replace x in the equation with -5 and solve:

3(-5)^2 + 30(-5) +27 = 75 - 150 + 27 = -48

The minimum is at (-5,-48)

3 0
3 years ago
Read 2 more answers
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