1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Sati [7]
2 years ago
11

Which complex number has a distance of 117 from the origin on the complex plane?

Mathematics
1 answer:
GalinKa [24]2 years ago
4 0

Answer:

2+15I I think?????? I scrath it sorry if im wrong

You might be interested in
Paul and jose are trying to measure the height of a tree. paul is standing 19m from the foot of the tree and measures the angle
Nina [5.8K]
The firts thig we are going to do is create tow triangles using the angles of elevation of Paul and Jose. Since the problem is not giving us their height we'll assume that the horizontal line of sight of both of them coincide with the base of the tree.
We know that Paul is 19m from the base of the tree and its elevation angle to the top of the tree is 59°. We also know that the elevation angle of Jose and the top of the tree is 43°, but we don't know the distance between Paul of Jose, so lets label that distance as x.
Now we can build a right triangle between Paul and the tree and another one between Jose and the tree as shown in the figure. Lets use cosine to find h in Paul's trianlge:
cos(59)= \frac{19}{h}
h= \frac{19}{cos(59)}
h=36.9
Now we can use the law of sines to find the distance x between Paul and Jose:
\frac{sin(43)}{36.9} = \frac{sin(16)}{x}
x= \frac{36.9sin(16)}{sin(43)}
x=14.9

Now that we know the distance between Paul and Jose, the only thing left is add that distance to the distance from Paul and the base of the tree:
19m+14.9=33.9m

We can conclude that Jose is 33.9m from the base of the tree.

3 0
3 years ago
A student solved for the radius of a circle with a circumference of 12π
padilas [110]

Answer:

Step 4 is incorrect  he did not divide correctly from step3 to step 4

Step-by-step explanation:

The circumference of a circle is

C = 2 * pi *r

We know the circumference is 12 pi

12pi = 2 pi *r

Divide each side by 2 pi

12 pi/2pi = 2pi r/ 2pi

6 = r

From step 3 The student did not cancel the pi in the top and the bottom on the right hand side to isolate r

In step 4 he got 6 =pi r  instead of pi

3 0
3 years ago
Given A(2,14), B(2,3), C(4,2) and D(14,2) what about AB?
stepan [7]
Answer - 11

I’m assuming you’re trying to find the line AB (basically the distance between point A and B). If that’s the case, since they both have the same x vale, subtract their y values. 14-3 gives you 11, which is the length of line AB
7 0
3 years ago
Select the function that represents a geometric sequence.
jeka57 [31]

Answer:

A.

A(n) = P(1 + i)^n-1, where n is a positive integer

6 0
3 years ago
Read 2 more answers
Need help step by step​
shusha [124]
Y = mx + b

8x - 4y - 9 = 0

first you move the nine to the other side of the equal sign (add nine to both sides)

8x - 4y = 9

then you need to also move your 8x over to the other side as well (remember we are trying to get y by itself!)

- 4y = -8x + 9

then we are going to divide -4 to both sides

and you get

y = 2x - 9/4

we can then identify the slope as 2

so B. 2 would be your answer

hope this helped
3 0
2 years ago
Other questions:
  • Which would most likely be graphed using a continuous graph? Check all that apply.
    13·2 answers
  • Given the formula A =pieab solve for a.
    7·1 answer
  • Which equation describes the line graphed above? A. -4x-5 B. -1/5x-4 C. -5x-4 C. -4x-1/5
    8·2 answers
  • What is the area of this figure?
    7·1 answer
  • 304001 in expanded form
    8·1 answer
  • Find the perimeter and the area of a rectangle with the sides 3 3/10 meters and 6 2/3 meters.
    12·2 answers
  • Do all sets have subsets?
    8·1 answer
  • Jodi plans to make 5 dozen cupcakes. The recipe she uses is for 2 dozen cupcakes and calls for 1 1/2 cups of flour. How many cup
    11·2 answers
  • Gravitational energy_____.
    12·1 answer
  • -2 = 0.8n<br> I need help with this ..
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!