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bagirrra123 [75]
3 years ago
14

1. Use a calculator to find all solutions in the interval (0, 2_). Round the answers to two decimal places. (Enter your answers

as a comma-separated list. If there is no solution, enter NO SOLUTION.)
sin x cos x = 0.027

2. Use a calculator to find all solutions in the interval (0, 2_). Round the answers to two decimal places. (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.)
cot x = _2.83
Mathematics
1 answer:
Anvisha [2.4K]3 years ago
4 0
1) we know that  sin2x=2sinxcosx, so sinxcosx=(1/2)sin2x, but sinxcosx=0.027
(1/2)sin2x=0.027, sin2x=0.054, arcsin(0.054)=2x, 3.09=2x, x=1.54 degree (x is in (0, 2), it is verified)


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Yes they should reach the 8.1 mile marker by noon
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8 0
3 years ago
The solution system to 3y-2x=-9 and y=-2x+5
Alecsey [184]

Answer:

\boxed{(3,-1)}

Step-by-step explanation:

<em>Hey there!</em>

<em />

Well to find the solution the the given system,

3y - 2x = -9

y = -2x + 5

So to find x lets plug in -2x + 5 for y in 3y - 2x = -9.

3(-2x + 5) - 2x = -9

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-6x + 15 - 2x = -9

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-15 to both sides

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Divide -8 to both sides

<u>x = 3</u>

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Now that we have x which is 3, we can plug in 3 for x in y = -2x + 5.

y = -2(3) + 5

y = -6 + 5

<u>y = -1</u>

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So the solution is (3,-1).

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<em>Hope this helps :)</em>

4 0
3 years ago
What has 2 fewer sides than a heptagon
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A pentago Which Is A Five Side Figure and a heptagon is a seven sided figure
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Ymorist [56]

Answer:

4.5 m

Step-by-step explanation:

The area of two similar triangles are 75 m2 and 300 m2. This gives you the scale factor of the triangles:

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Then you can find the length of the corresponding side:

\dfrac{side_{small}}{side_{large}}=k\Rightarrow =\dfrac{side_{small}}{9}=\dfrac{1}{2},\ side_{small}=\dfrac{9}{2}=4.5\ m.

4 0
3 years ago
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