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seraphim [82]
3 years ago
5

HELP PLZZZ im in confusion

Mathematics
2 answers:
Alborosie3 years ago
8 0

Answer:

i think its b but im not sure

Step-by-step explanation:

Degger [83]3 years ago
6 0

Answer:

C.QR= TR

Step-by-step explanation:

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Write an equation for the line below. Show work
Gekata [30.6K]

x=3 is your answer. This is because it only crosses the x-axis and this occurs at positive 3. y=3 on the other hand would be a horizontal line that only touches positive 3 on the y-axis.

4 0
3 years ago
Vector v is shown in the graph.
Elis [28]

Question 4

<h3>Answer: Choice D</h3>

Explanation:

If the initial point is the origin, the coordinates of the terminal point form the vector itself in component form. We go from (-8,6) to <-8,6>. The notation change is from ordered pair to vector format.

We have a right triangle with legs of 8 and 6 units. The pythagorean theorem will help us determine the hypotenuse is 10. Therefore, the vector length is 10 units and we would say ||v|| = 10. We have a 6-8-10 right triangle.

===========================================================

Question 5

<h3>Answer: Choice B</h3>

Explanation:

Vector v starts at (2,5) and ends at (-3,-2).

The x component of the vector is x2-x1 = -3-2 = -5 meaning we move 5 units to the left when going from the start point to the endpoint.

At the same time we move 7 units down because y2-y1 = -2-5 = -7 which is the y component of the vector.

The component form of vector v is

v = <-5, -7>

it says "move 5 units left, 7 units down".

Apply the pythagorean theorem to find the length of the vector.

a^2+b^2 = c^2

c = sqrt(a^2 + b^2)

||v|| = sqrt( (-5)^2 + (-7)^2 )

||v|| = 8.602 which is approximate.

Now let's use the arctangent function to find the angle

theta = arctan(b/a)

theta = arctan(-7/(-5))

theta = 54.462 which is also approximate.

There's a problem however. This angle is in Q1 but the vector <-5,-7> is in Q3. An easy fix is to add on 180 to rotate to the proper quadrant.

54.462+180 = 234.462

which is the proper approximate angle for theta.

6 0
2 years ago
What is the result of dividing 223 – 322
Mnenie [13.5K]

Answer:

3rd option

Step-by-step explanation:

8 0
3 years ago
Please help ASAP <br> I really need help please will name you the brain
MAXImum [283]

Answer:

I believe answer B

Step-by-step explanation:

It says shifted UP 3 units and 2+3=5 so that is my answer. Feel free to yell at me if I am wrong.

8 0
3 years ago
A line contains (4,2) and (0,-1). What is the equation line?
densk [106]
The answer is B. Y= 3/4x-1
7 0
3 years ago
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