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Liono4ka [1.6K]
3 years ago
13

PLEASE ANSWER ASAP

Mathematics
1 answer:
Degger [83]3 years ago
8 0

Answer:

(2,14°+360n) and (-2,14°+(2n+1)180°)

Step-by-step explanation:

You start out with (2, 14°)

The polar coordinate can be written as (r, 0) = (r, 0+2nπ) or

(r,0)=(-r,0+2(n=1)π), where n is any integer.

The polar coordinates point : p=(r,0) = (2,14°)

For the positive value of r,  the polar coordinate can be written as

p=(2,14°) = (2,14°+360n°), where n is any integer.

For the negative value of r ,  the polar coordinate can be written as

p=(2,14°) = (-2,14°+(2n+1)180°), where n is any integer.

All the polar coordinates of point P are(2,14°+360n) and (-2,14°+(2n+1)180°).

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 first most important effect is the erosion and the second most important effect is weathering.
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3 years ago
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A woodworker spends a total of 162 hours making 24 birdhouses. He spends the same amount of time on each birdhouse. How many hou
Julli [10]

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6.75 hours

Step-by-step explanation:

162 divided 24

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3 years ago
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Sin theta=-1/2 then cos theta=​
zepelin [54]

Answer:

<h2>cos 30°= 0.866</h2>

Step-by-step explanation:

Step one:

Applying the SOH CAH TOA principle

assuming all dimensions are in cm

Step two:

Given data

opposite= 1 cm

hypotenuse= 2 cm

<h3>we can now solve for θ</h3>

Sin(θ)= opp/hyp

Sin(θ)= 1/2

Sin(θ)= 0.5

θ= sin-1 0.5

θ= 30°

hence  from tables cos 30°= 0.866

4 0
3 years ago
Subtract -6x^4-3x^2y^2+5y^4−6x
Gnoma [55]

Answer:

8x^4-5x^2y^2-6y^4+6x

Step-by-step explanation:

We are required to subtract -6x^4-3x^2y^2+5y^4-6x \:from \: 2x^4-8x^2y^2-y^4.

[2x^4-8x^2y^2-y^4]-[-6x^4-3x^2y^2+5y^4-6x]

<u>Step 1:</u> Open the bracket, Take note of the signs

[2x^4-8x^2y^2-y^4]-[-6x^4-3x^2y^2+5y^4-6x]\\2x^4-8x^2y^2-y^4+6x^4+3x^2y^2-5y^4+6x

<u>Step 2:</u> Collect like terms

2x^4+6x^4-8x^2y^2+3x^2y^2-y^4-5y^4+6x

<u>Step 3:</u> Simplify

8x^4-5x^2y^2-6y^4+6x

5 0
3 years ago
A customer's stock value seems to be rising exponentially. The equation for
VMariaS [17]

Answer:

B: 8.3

Step-by-step explanation:

We will substitute 600 to the y, since our final answer will be a number that makes the value of the stock reach $600.

log (y) = 0.30x + 0.296

Replacing y with 600, the equation becomes:

log (600) = 0.30x + 0.296

2.78 = 0.30x + 0.296

To move all the x and real numbers to different sides, we take 0.296 away from both sides to form:

2.78 - 0.296 = 0.30x

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x = 8.28

The approximation of 8.28 will be rounded to 8.3.

Then our final answer will be B: 8.3

4 0
2 years ago
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