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jarptica [38.1K]
3 years ago
8

How to find exact functional value from sin 150 degrees

Mathematics
1 answer:
Kaylis [27]3 years ago
3 0
I highly recommend using the unit circle; the answer is 1/2.
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HELP!!!!
mafiozo [28]

By definition, the standard form of a polynomial is given by:

ax ^ n + ... + bx ^ 3 + cx ^ 2 + dx + e

We then have the following polynomial:

2x ^ 2-4x ^ 3 + \frac{6}{3}

Rewriting in its standard form we have:

-4x ^ 3 + 2x ^ 2 + 2

We realize that the polynomial has three terms, therefore, it is a trinomial.

The largest exponent of the polynomial is three and therefore we have a trinomial of degree three.

Answer:

-4x ^ 3 + 2x ^ 2 + 2

Three degree trinomial.

5 0
3 years ago
Five pens and four pencils cost $2.55. But four pens and five pencils cost $2.40. How
Trava [24]

1*5=12.75

2*4=9.6

so nine pens cost 3.15

one pen will be 0.35$

so one pencil will be .20$

8 0
3 years ago
Read 2 more answers
Which part of this URL address is the suffix?
ratelena [41]
It would be .net because a <span>suffix is at the end of a word like ed is a suffix so it would be D</span>
5 0
3 years ago
Read 2 more answers
The local pre-school ordered all new bicycles and tricycles for the new school year. Each bicycle and tricycle is shipped in its
mrs_skeptik [129]
There are 16 boxes total, and 45 wheels total. 

we know that each bicycle/tricycle is in it's own box. 
i'm going to use the variable "b" for bicycle and "t" for tricycle

b + t = 16 
(because b is the amount of bicycles and t is the amount of tricycles) 

now we know that there are 45 wheels total. 
there are 2 wheels for a bicycle and 3 wheels for a tricycle

2b + 3t = 45 

now we have a system of equations
b + t = 16
2b + 3t = 45 

You can solve this multiple ways, but I'm going to use substitution. 
b + t = 16 can also be written as b = 16 - t (if you subtract both sides by t) 
then we can substitute this b = 16 - t into the other equations

2(16 - t) + 3t = 45

32 - 2t + 3t = 45
32 + t = 45
t = 13 

now you can plug that back into the original equations

b + 13 = 16 
b = 3

2b + 3(13) = 45
2b + 39 = 45
2b = 6
b = 3

If you have any more questions, feel free to ask!

5 0
3 years ago
HELP FAST<br><br> Write an expression to represent the perimeter of the figure
andrey2020 [161]

Answer:

13x+2

Step-by-step explanation:

I used the addition

8 0
3 years ago
Read 2 more answers
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