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3 years ago

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Question 7 of 10 Which of the following functions is graphed below?

2 answers:

Licemer1 [7]3 years ago

5 0

Answer:

I can help if I see the picture ^^

Step-by-step explanation:

kap26 [50]3 years ago

3 0

Answer:

i dont see any graphs could you edit your question to put in the photos of the graphs ?

Step-by-step explanation:

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What are the angles sizes

Rus_ich [418]

Answers:
(x+2) = 55 degrees

x = 53 degrees

the given is 72 degrees

Explanation:
A triangle always equals 180 degrees. It was given that one of the angle measures is 72 degrees. 180-72=108. Now I need to find the value of x. (x+2)+x=108. Solving this equation I get x=53. Substitute this back into the angle measures and u get the answers as stated above.

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3 years ago

The median number of magazine appearances made by 7 models is 5. The range of number of magazine appearances by those models is

sattari [20]

Answer:not enough information

Step-by-step explanation:

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3 years ago

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Which of the following is not equal to sin⁡(-230°)?

xenn [34]

From trigonometry we know that:

if $sin(\theta)=sin(\alpha)$

then, $\theta=n\pi+(-1)^n\alpha$ (where $n$ is an integer)

This can be rewritten in degrees as:

$\theta=n(180^{\circ})+(-1)^n\alpha$ .............(Equation 1)

Now, in our case, $\alpha=-230^{\circ}$

Therefore, (Equation 1) can be written as:

$\theta=n(180^{\circ})+(-1)^n(-230^{\circ})$ ..........(Equation 2)

Now, to find the correct options all that we have to do is replace n by relevant integers and find the values of $\theta$ that match.

For n=2, (Equation 2) gives us: $\theta=2\times 180^{\circ}+(-1)^2(-230^{\circ})=360^{\circ}-230^{\circ}=130^{\circ}$ .

Thus, $sin(230^{\circ})=sin(130^{\circ})$

Now, we know that: $-sin(-50^{\circ})=sin(50^{\circ})$

Let n=-1, then:

$\theta=(-1)\times 180^{\circ}+(-1)^{-1}(-230^{\circ})=-180^{\circ}+230^{\circ}=50^{\circ}$

Thus, $sin(-230^{\circ})=-sin(-50^{\circ})$

Likewise, $sin(-230^{\circ})=sin(50^{\circ})$

Only the last option $sin(-50^{\circ})$ will never match $sin(-230^{\circ})$ because no integral value of $n$ will ever give $\theta=-50^{\circ}$

Thus the last option is the correct option.

3 0

3 years ago

Read 2 more answers

Make A the subject of the formula <br><br>r=<br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B%20%5Cfrac%7Ba%7D%7B3%7D%20%7D%20

DaniilM [7]

Answer:

Huh

Step-by-step explanation:

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2 years ago

Write an expression equivalent to e+e+e+e+e that is a sum of two terms.

slamgirl [31]

Answer:

5e

5(e)

Step-by-step explanation:

please mark this answer as brainliest

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3 years ago