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aleksandrvk [35]
3 years ago
7

Help please and thank you!!!!!

Mathematics
1 answer:
beks73 [17]3 years ago
6 0

Answer:

60000

Step-by-step explanation:

The mean is the average

Add all the salaries together

(30000+30000+40000+40000+40000+50000+190000)

420000

Then divide by the number of number

420000/7

60000

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Please help me with these questions!! <br> Thank you!!
Mademuasel [1]

Answer:

Step-by-step explanation:

Left Frame

<u>Formula</u>

Area of Hexagon = 3*sqrt(3)*a^2 / 2

Area of a Square = a^2

In both cases a is a side length

<u>Givens</u>

A = 384*sqrt(3)

<u>Solution</u>

384*sqrt(3) = 3*sqrt(3)*a^2 / 2     Divide by sqrt(3) on both sides.

384 = 3 * a^2 / 2                           Multiply by 2

768 = 3 * a^2                                Divide by 3

256 = a^2                                     Take the square root of both sides

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Center Frame

I don't know how to expand the question so that I'm doing some sort of step-by-step explanation. The question just means what does a equal when t = 0

The answer is 15.

Right Frame

The tangents meet the circumference of the circle at a 90o angle when the radius is connected by the point of  contact. Call the central angle (LON) = x

The two tangents and the two radii form a kite which is a quadrilateral.

All quadrilaterals have 4 angles that add up to 360.

x + 90 + 90 + 60 = 360           Combine the like terms on the left

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x = 360 - 240

x = 120

The length of the arc is given by (Central angle / 360) * Circumference

x is the central angle so the central angle = 120

Length = (120 / 360) * 96

Length = 1/3 * 96

Length = 32

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