3 years ago

What is the degree measure of x in this triangle?

Mathematics

1 answer:

notka56 [123]3 years ago

3 0

Using the inverse sine of x (32 / 58), the degree is 33.5.

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max2010maxim [7]

Answer:

Step-by-step explanation:

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3 years ago

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Find a such that the solution of y'' + y' − 2y = 0, y(0) = a, y' (0) = 1 tends to zero as t → +∞.

Kay [80]

Answer:

Step-by-step explanation:

$y'' + y' − 2y = 0, y(0) = a, y' (0) = 1$

Auxialary equation is

$m^2+m-2=0\\m=-2,1$

General solution is

$y=Ae^{-2x} +Be^x$

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$y'(0) = -2Ae^{2x} +Be^x = -2A+B = 1$

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i.e. a should be a finite real number.

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3 years ago

A construction manager weighs a bundle of 9 identical bricks and a 7 pound concrete block. The bundle weighs 30 pounds.

denis23 [38]

Answer:

30 = 9x + 7

Step-by-step explanation:

The total weight of the bundle = 30 pounds

The weight of the bricks = x pounds

But he carried 9 bricks = 9x pounds

He also carried additional 7 pounds of concrete block.

An equation to show the total weight he carried is

30 pounds = (9x + 7) pounds

Since 9x represents the total weight of the bricks he carried

7 represents the weight of the concrete block

And 30 pounds represents the total weight of everything he carried.

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3 years ago

O is the centre of this circle and point Q is a point of tangency. Determine the value of t. If necessary, give your answer to t

dsp73

Answer:

Hello bozo

Step-by-step explanation:

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2 years ago

karen read 20 pages of her book in half an hour.if she read for 3 hours at that same rate about how many pages of her book can k

Julli [10]

If she read 20 in half an hour how many can she read in 1 hour=40
so, that gets you 120 the answer is she can read 120 pages in 3 hours

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3 years ago