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3 years ago

Plot the x- and y-intercepts of function f(x)=x

2 answers:

8 0

This is the basic equation.
There is no shifts, because you don’t see any addition signs.

So, the x and y intercepts are at the origins (0,0).

Hope this helps!

katrin2010 [14]3 years ago

5 0

Because f(x)=x, goes through origin. So x and y -intercept are one point (0,0).

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What is the value of cos θ given that (-2, 9) is a point on the terminal side of θ?

liq [111]

Answer:

a) cosθ = $\frac{-2\sqrt{85} }{85}$

Step-by-step explanation:

Step(i):-

Given point ( x , y ) = ( - 2 , 3 )

We know that the polar co-ordinates

x = r cos θ and y = r sinθ

where $r = \sqrt{x^{2} +y^{2} }$

$r = \sqrt{(-2)^{2} +(9)^{2} } = \sqrt{4+81} = \sqrt{85}$

Step(ii):-

x = r cos θ

cosθ $= \frac{x}{r}$

cosθ = $\frac{-2}{\sqrt{85} } = \frac{-2}{\sqrt{85} } X \frac{\sqrt{85} }{\sqrt{85} }$

cosθ = $\frac{-2\sqrt{85} }{85}$

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3 years ago

What is the unit price for a piece of cheese if 1.24 pounds cost 11.25

Andre45 [30]

I think it would be $9.08 per pound

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3 years ago

Solve for x: dx+fx=8-2dx

Rom4ik [11]

Answer:

fx=8-3dx

Step-by-step explanation:

8 0

3 years ago

2 and 4 seemed really confusing , please help :(

artcher [175]

2. This question is basically asking you to factor 6x² - x - 12, so that one bracket is (2x - 3) and the other bracket is your answer. If you do factor 6x² - x - 12, you get (2x - 3)(3x + 4), so your answer would be J. 3x + 4.

4. Again you are factoring, so you would get your answer as (x + 3)(x - 2), which is answer F.

I hope this helps! Let me know if you would like me to show you how I factored :)

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Question 5 (1 point)

Damm [24]

Answer:

36 and 49

Step-by-step explanation:

Please mark me as brainlyest

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2 years ago