2 years ago

What is the image of the point (6,9) after a rotation of 270° counterclockwise about the origin?

Mathematics

1 answer:

Reil [10]2 years ago

3 0

Answer:

(-9,-6)

Explanation

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Murljashka [212]

Answer:

option b

Step-by-step explanation:

f(2)=-2 is the answer

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3 years ago

5% of x is 15.what is x?help me with this question and ignore the last post I posted?

fomenos

X should be 300
15/x= 0.05
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3 years ago

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3w + 15 - 5 +2 = 5 how do you solve and what's the answer ?

ryzh [129]

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2 years ago

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Q6: Which is the graph of the polar equation r=1/1-sin theta.

AveGali [126]

Answer:

The correct answer is C.

Step-by-step explanation:

The given equation is;

$r=\frac{1}{1-\sin(\theta)}$

This implies that;

$r(1-\sin(\theta)=1$

$r-r\sin(\theta)=1$

Let us write in Cartesian coordinates by substituting;

$r=\sqrt{x^2+y^2} ,y=r\sin(\theta)$

$\sqrt{x^2+y^2}-y=1$

$\sqrt{x^2+y^2}=y+1$

Square both sides;

$(\sqrt{x^2+y^2})^2=(y+1)^2$

This implies that;

$x^2+y^2=y^2+2y+1$

$x^2=2y+1$

$y=\frac{1}{2}x^2-\frac{1}{2}$

This is an equation of a parabola that opens upwards with a y-intercept of $-\frac{1}{2}$ .

The correct choice is C

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3 years ago

Mr. and Mrs. Romero are expecting triplets. Suppose the chance of each child being a boy is 50% and of being a girl i 50% . find

Bingel [31]

Pr(1/2) for both I believe. If not right sorry.

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3 years ago