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Lady_Fox [76]
3 years ago
7

Need help ASAP ( frist one branly)!!!!

Mathematics
2 answers:
valentina_108 [34]3 years ago
7 0
Which ones do you need help on?
Lena [83]3 years ago
6 0
At least try to work it out and maybe you'll get it.
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What is the y-value for f(x) = cos(x) when x = 180°?<br> -1<br> 0<br> 1/2<br> 1
maksim [4K]
You start at 0 on the unit circle the cos of 0 =1, but at cos 0 there is no angle at all so there is no y value so at cos 0 y=0, 180 is the opposite direction of the starting point which is 0 so the x value of cos180= -1 but there is still no upward or downward angle ie.. y value. so the y value = 0 at 0 and 180. answer is 0
8 0
3 years ago
Which set of ordered pairs represents a function?
KATRIN_1 [288]

Answer:

{(3, -1), (7, 1), (-6, -1), (9, 1), (2, -1)}

Step-by-step explanation:

Any relation having repetitive x-coordinates, is NOT a function.

3 0
3 years ago
if a guy has $145 .00 in his hand, and he wants to give some to 2 friends how much is left in his hand
Mariulka [41]
$145.00/2=
$72.5
I hopes this helped
7 0
3 years ago
Read 2 more answers
I NEED HELP ON THIS QUESTION ASAP
Fittoniya [83]

Answer:

(2.5, -.25)

Step-by-step explanation:

I'm not positive that I know exactly what they want on this one....but since you specifically asked me to look at your other question, I tried.

See pic.

4 0
3 years ago
If f(×)=1/3×^2+5find f(-9)
Snezhnost [94]

Answer:

I think this is the answer

f( - 9) =  \frac{1}{3( - 9) {}^{2} }  + 5 \\  =  \frac{1216}{243}  \\  = 5.0041

5 0
3 years ago
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