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trapecia [35]
3 years ago
10

Write the ratios for sins, cosX, and tanX

Mathematics
1 answer:
andre [41]3 years ago
8 0
Sin x = YZ/XZ
sin x = 12/13

cos x = XY/XZ
cos x = 5/13

tan x = sin x ÷ cos x
tan x = 12/13 ÷ 5/13
tan x = 12/5
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Simplify the expression- 3 - 5/6 / 5/2
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Answer:

10/3

Step-by-step explanation:

-3-5/6/5/2=-10/3

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3 years ago
Identify the type of savings fund that is best suited for each situation,
Snezhnost [94]

Answer:

Step-by-step explanation:

1. Sinking Fund: Expenses like these are predictable. You know exactly when they’re going to come due, and you know at least approximately how much they’re going to cost"

So we have: down payment for a car, saving to start a business, saving for a college education

2. Rainy-Day Fund: unexpected expense you have to pay,

So we have: plumbing expenses, paying to fix a broken air conditioner, unexpected travel expense, plumbing expenses

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elena-14-01-66 [18.8K]
You need to do this in several steps.

1) Using the given length and width of the rectangle, find its area.
2) Then using the base and height of the triangle, find its area.
3) Since the areas are equal, set the expressions equal to each other, and solve for x.
4) Using the value of x you found, find the length and width of the rectangle and find its perimeter.

1) The area of the rectangle is A = LW
Area of Rectangle = (x + 2)x = x^2 + 2x

2) The area of the triangle is A = (1/2)bh
Area of Triangle = (1/2)(24)x = 12x

3) Set the areas equal and solve for x

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x(x - 10) = 0

x = 0 or x = 10

Since a width cannot be 0, we discard x = 0, and keep x = 10.

4) The length is x + 2 = 10 + 2 = 12
The width is x = 10

The perimeter is 2(L + W) = 2(10 + 2) = 2(22) = 44

The perimeter is 44 cm.
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Answer:

A.

Step-by-step explanation:

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