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Kay [80]
2 years ago
7

The value of a is the value of B is the value of C is

Mathematics
1 answer:
enyata [817]2 years ago
5 0

Answer:

A: 5

B: 9

C: 32

I hope this helps the people who're looking for this answer!

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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}

8 0
3 years ago
Help 15 points!!!!!!!!!!!!!!!!!!!!!
Svetllana [295]

Answer:

see explanation

Step-by-step explanation:

Using the tangent ratio in the right triangle

tan A = \frac{opposite}{adjacent} = \frac{BC}{AC} = \frac{7}{8} , then

∠ A = tan^{-1} (\frac{7}{8} ) ≈ 41° ( to the nearest degree )

The sum of the angles in the triangle = 180° , then

∠ B + 41° + 90° = 180°

∠ B + 131° = 180° ( subtract 131° from both sides )

∠ B = 49°

Using Pythagoras' identity in the right triangle

AB² = BC² + AC² = 7² + 8² = 49 + 64 = 113 ( take square root of both sides )

AB = \sqrt{113} ≈ 10.6 ( to the nearest tenth )

3 0
2 years ago
PLEASE HELP I GIVE ALL MY POINTS PLZZZZ!!!!! Select the correct answer. Vector u has its initial point at (1, -12) and its termi
dimulka [17.4K]

Answer:

Vector u has u_x = (5 - 15) = -10, and u_y = -4 - 22 = -26, and its component form would be u = -10i - 26j.

If vector v is in the opposite direction: 10i + 26j

And if it is double in magnitude: v = 20i + 52j

Hope this helps you! Ask me anything if yu have any quistions!

6 0
2 years ago
Answer pls thanks kfdsdatttdfyui8u90g
diamong [38]

Answer:

Step-by-step explanation:

960 75%

6 0
2 years ago
A recipe requires 1/3 cup of water for every 2/5 cups of sugar. How much
Anni [7]

Answer:

1 1/5

Step-by-step explanation:

4 0
3 years ago
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