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Novosadov [1.4K]
3 years ago
13

Which polynomial is in standard form? A) 2x + 3x3 + 5x5 + 9x4 + 2x B) 5 + 3x + x2 + 2x4 + 2x5 C) 8x7 + 3x6 + x5 + 5x4 − 2x3 D) 8

x2 + 3x5 + x6 + 5x7 − 2
Mathematics
2 answers:
Lana71 [14]3 years ago
8 0

Answer:

c

Step-by-step explanation:

sasho [114]3 years ago
6 0
Answer:  [C]:  "<span> 8x</span>⁷<span> + 3x</span>⁶<span> + x</span>⁵<span> + 5x</span>⁴<span> − 2x</span>³<span> </span>" .
__________________________________________________
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Which of the following is the equation of the function below?
puteri [66]

Answer:

The equation of the graph below is y = 0.5 csc[0.5(x + π/2)] - 1 ⇒ 3rd answer

Step-by-step explanation:

* Lets revise the trigonometry transformation

- If the equation is y = A csc(B(x + C)) + D

# Amplitude is A

- The Amplitude is the height from the center line to the peak .

  Or we can measure the height from highest to lowest points and

  divide that by 2

# period is 2π/B

- The Period goes from one peak to the next

# phase shift is C (positive is to the left)

- The Phase Shift is how far the function is shifted horizontally

  from the usual position.

# vertical shift is D

- The Vertical Shift is how far the function is shifted vertically from

 the usual position.

- If y = csc(x)

∴ A = 1 , B = 1 , C = 0 , D = 0

- That means the amplitude is 1, the period is 2π, no phase shift

 or vertical shift

* Now lets solve the problem

- From the graph

# The amplitude = (-0.5 - -1.5)/2 = 0.5

∴ A = 0.5

# The period is from 2.5π to -1.5π

∴ The period is 4π

∵ The period = 2π/B

∴ 4π = 2π/B ⇒ by cross multiplication

∴ B = 2π/4π = 1/2 = 0.5

* There is only one answer has A = 0.5 and B = 0.5

∴ y = 0.5 csc[0.5(x + π/2)] - 1

* The equation of the graph below is 0.5 csc[0.5(x + π/2)] - 1

* For more understand look to the color graph

- The blue graph is y = csc(x)

- The green graph is y = 0.5 csc[0.5(x + π/2)] - 1

5 0
3 years ago
Read 2 more answers
A jet travels 530 miles in 5 hours. What is the speed (unit rate) at which the jet traveled? How far can the jet go in 12 hours?
Citrus2011 [14]

Answer:

unit rate is 106 miles per hour and it can go 1272 miles in 12 hours

Step-by-step explanation:

-divide 530 by 5 and you get 106 miles an hour.

-then multiply 106 by 12 to get 1272 miles an hour.

7 0
2 years ago
Exercise 1.A committee of five people is chosen randomly from four men and six women. Find the probability that:a) Exactly four
MatroZZZ [7]

Answer with explanation:

Given : Number of men = 4

Number of women = 6

Total people = 6+4=10

Total number of ways to make a committee of five people from 10 persons :-

^{10}C_{4}=\dfrac{10!}{4!(10-4)!}=210

a) Number of ways to make committee that has exactly four women :

^6C_4\times ^4C_1=\dfrac{6!}{4!(6-4)!}\times4=60

The  probability that committee has exactly four women :

\dfrac{60}{210}=\dfrac{2}{7}

b) Number of ways to make committee that has at-least four women :

^6C_4\times ^4C_1+^6C_5=\dfrac{6!}{4!(6-4)!}\times4+6=66

The probability that committee at-least four women :

\dfrac{66}{210}=\dfrac{22}{70}

c) Number of ways that committee has more than 4 women :-

^6C_5\times^4C_0=6

The probability that committee has more than 4 women :-

\dfrac{6}{210}

Now, the  probability that committee has at most four women :-

1-\dfrac{6}{210}=\dfrac{204}{210}=\dfrac{102}{105}

5 0
3 years ago
Need help on this question asap
Zigmanuir [339]
Using trigonometry
tan(x)=9/6
use your calculator to find x using tan-1(9/6) and you get 56.3° which is basically the first answer
6 0
2 years ago
Whats 2 5/3 reduced?
emmasim [6.3K]
The answer will be 10/3 also I'll recommend downloading photo math it really helps!! It's free.
8 0
3 years ago
Read 2 more answers
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