3 years ago

What is the circumference of this circle?

Mathematics

1 answer:

Yanka [14]3 years ago

7 0

C ≈ 307.88
Hope that helps.

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Solve for x and y

BigorU [14]

You can use elimination
7x - 3y = 4
-10x + 3y = 2
Add both equations
-3x = 6, x = -2
Plug in -2 for x in one equation
7(-2) - 3y = 4
-14 - 3y = 4
-3y = 18, y = -6
Solution: x = -2, y = -6

4 0

2 years ago

Can someone plz help me with this question

Karo-lina-s [1.5K]

Answers are A and E, this is because you can do 3:12 x 4 = 12:48 and 3:12/4 = 1:4 therefore they are all equal values

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2 years ago

3x + 7 = 0 answer this please

natulia [17]

Answer:

-7/3

Step-by-step explanation:

4 0

2 years ago

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A bathroom tile consist of regular hexagons surrounded by regular triangles as shown below.find the measure of one interior angl

Anettt [7]

I’m sorry I don’t see a diagram for this. Could you please scan one?

3 0

2 years ago

A video camera is being mounted on a bank wall so as to have a good view of the head teller. Find the angle of depression that t

Sever21 [200]

Answer:

The angle of depression of the lens must be 26.3°

Step-by-step explanation:

Here we have a right triangle with the opposite side to the angle equal to 5.93 feet and the adjacent side to the angle equal to 12.02 feet. Therefore we just need to use the tangent definition to find the angle.

$tan(\alpha)=\frac{5.93 ft}{12.02 ft}=0.49$

$\alpha=tan^{-1}(0.49)=26.3^{\circ}$

The angle of depression of the lens must be 26.3°

I hope it helps you!

5 0

2 years ago