4 years ago

Am I getting it right?

Mathematics

2 answers:

Rina8888 [55]4 years ago

8 0

From what I can see they are all right so far! :)

andrezito [222]4 years ago

6 0

So far your getting all of them right. But, maybe next time upload a better picture because it’s hard to see what you wrote.

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Find the value of x. Round your answer to the nearest tenth

NISA [10]

Hope you enjoy :)))))))

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3 years ago

On a unit circle, the vertical distance from the x-axis to a point on the perimeter of the circle is twice the horizontal

tia_tia [17]

Answer:

(2/5)√5 ≈ 0.894427

Step-by-step explanation:

You require the y-coordinate of the point that satisfies two equations:

x^2 +y^2 = 1

y = 2x

Substituting for x, we have ...

(y/2)^2 +y^2 = 1

y^2(5/4) = 1

y^2 = 4/5

y = (2/5)√5 ≈ 0.894427

The sine of the angle is (2/5)√5 ≈ 0.894427.

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4 years ago

determine if the given point is a solution of the given system of linear equations y=3× + 6 y= -2× + 9 (3,3)

Anna11 [10]

Answer:

The point (3, 3) is not a solution of the first equation, therefore is not a solution of the given system of equations.

Step-by-step explanation:

$y=3x+6\ and\ y=-2x+9$

$(3,\ 3)\to\text{put x = 3 and y = 3 to the equations of the functions}\\\text{and check the equality.}\\\\y=3x+6\\\\3=3(3)+6\\3=9+6\\3=15\qquad\text{FALSE!}$

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3 years ago

Which ordered pairs in the form

iVinArrow [24]

The answer is (4, 8)

8 0

3 years ago

Read 2 more answers

I don’t understand #2, need help and show how to do it please!!

Anna007 [38]

B is the answer to the question

3 0

3 years ago