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seropon [69]
3 years ago
15

Graph each point on a coordinate plane. Name the quadrant in which each is located

Mathematics
2 answers:
vichka [17]3 years ago
7 0

Answer:

14. Quadrant IV

13. Quadrant II

12. Quadrant III

11. Quadrant I

15. -17

16. -1

17. 7

Step-by-step explanation:

I am Lyosha [343]3 years ago
7 0
D is located in quadrant IV
C is quadrant II
B is quadrant III
A is quadrant I

f(-4)=-17
f(0)=-1
f(2)=7


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In interval notation signs use what grouping symbol?
Vesnalui [34]

Answer:

either parentheses or brackets

Step-by-step explanation:

(x,y) means that the number is not included in interval notation

[x,y] means that the number is included in interval notation

3 0
3 years ago
(Photo attached) Trig question. Thanks in advance! :)
kolbaska11 [484]

Answer:

  a) cos(α+β) ≈ 0.8784

  b) sin(β -α) ≈ -0.2724

Step-by-step explanation:

There are a couple of ways to go at these. One is to use the sum and difference formulas for the cosine and sine functions. To do that, you need to find the sine for the angle whose cosine is given, and vice versa.

Another approach is to use the inverse trig functions to find the angles α and β, then combine those angles and find find the desired function of the combination.

For the first problem, we'll do it the first way:

  sin(α) = √(1 -cos²(α)) = √(1 -.926²) = √0.142524 ≈ 0.377524

  cos(β) = √(1 -sin²(β)) = √(1 -.111²) ≈ 0.993820

__

a) cos(α+β) = cos(α)cos(β) -sin(α)sin(β)

  = 0.926×0.993820 -0.377524×0.111

  cos(α+β) ≈ 0.8784

__

b) sin(β -α) = sin(arcsin(0.111) -arccos(0.926)) ≈ sin(6.3730° -22.1804°)

  = sin(-15.8074°)

  sin(β -α) ≈ -0.2724

4 0
3 years ago
The graph represents y as a function of x . Which additional point can be plotted so that the graph continues to represent y as
tester [92]

Answer:

I think it's the last one D

Step-by-step explanation:

I'm not 100% sure, but I think the x can't repeat and 4 is the only number of x that hasn't been plotted yet. Tell me if it was right?

5 0
3 years ago
What is 9*10^-5 in standard notation
kvasek [131]

Answer:

[see answer below]

Step-by-step explanation:

9*10^{-5}

We would move the decimal 5 places to the left.

9*10^{-5}\\\\\rightarrow\boxed{0.00009}

Hope this helps!

3 0
3 years ago
I need help o this problem
drek231 [11]
A If im not mistaken but that is what i would go with
8 0
3 years ago
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