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3 years ago

Help me with this assignment problem

Mathematics

1 answer:

Rus_ich [418]3 years ago

3 0

Answer:

1/27

step by step explanation

1x1x1=1

3x3x3=27

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Will give brainliest!!

yawa3891 [41]

Answer:

$r=\frac{9\cos \theta}{\sin^2 \theta}$

Step-by-step explanation:

The given equation in rectangular coordinates is;

$y^2=9x$

We use the relation;

$x=r\cos \theta$

and

$y=r \sin \theta$

This implies that;

$(r \sin \theta)^2=9(r \cos \theta)$

$r^2 \sin^2 \theta=9r \cos \theta$

Divide through by r to get;

$r \sin^2 \theta=9\cos \theta$

Divide both sides by $\sin^2 \theta$

$r=\frac{9\cos \theta}{\sin^2 \theta}$

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3 years ago

What is the amswer to -4k-2(k-3)=-6k+8

SashulF [63]

Answer:

k = 1/2

Step-by-step explanation:

-4k-2(k)-2(-3)=-6k+8

-4k-2k+6=-6k+8

-2k+6=-6k+8

4k+6=8

4k=2

4k/4= 2/4

k=1/2

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3 years ago

SSS & SAS proofs practice<br> I NEED HELPING ANSWERING THE LAST TWO PLEASEEE!!!! thank you!

mel-nik [20]

Answer:

4. Corresponding angles of congruent triangles. ( Angle)

5. Common side. (Side)

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Step-by-step explanation:

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2 years ago

HELP ME PLZ

nadezda [96]

Answer:

BD does bisect the angle created by ABC, however it does not bisect segment AC. So it really depends on what you are determining the bisection to be.

Step-by-step explanation:

We can tell that it is bisecting the angle since it creates two congruent angles.

We can tell that it does not bisect the segment as AD and CD are not the same length.

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2 years ago

The cost of hiring a surfboard involves an up-front fee plus an hourly rate. Three hours of hire costs $50 and 7 hours costs $90

siniylev [52]

Answer:

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3 years ago

Help me with this assignment problem​

Help me with this assignment problem