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4vir4ik [10]
3 years ago
14

Alexandra finished 3/5th of her work. What percentage of work did she complete?

Mathematics
1 answer:
laila [671]3 years ago
3 0
<h2>Answer:</h2>

60 percent

Step-by-step explanation:

Covert 3/5th into percentage so the answer will be 60.

<h3>#CarryOnLearning</h3>
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My index finger is 3.2in long... so in cm is it 8.128cm?
kiruha [24]
Yes that is correct..
8 0
3 years ago
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the brightness of the illumination of an object varies inversely as the square of the distance from the object to the source of
Free_Kalibri [48]
I=k/d^2

4=k/d^2 and 1=k/64  so if we divide the first by the second we get:

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d^2=64/4

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3 0
3 years ago
Can someone help me on problem number 8?
kramer
List the coordinates,
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8 0
3 years ago
What value of x satisfies
LenaWriter [7]

Answer:

See explanation

Step-by-step explanation:

The given trigonometric equation is cos(90-x)=-\frac{\sqrt{3} }{3}.

We take the inverse cosine of both sides to get:

90-x=cos^{-1}(-\frac{\sqrt{3} }{3})

90-x=125

x=125-90

x=-35\degree=325\degree to the nearest degree

None of the options satisfies the given equation.

But if the question is actually;

cos(90-x)=-\frac{\sqrt{3} }{2}

Then;

90-x=\cos^{-1}(-\frac{\sqrt{3} }{2}).

90-x=210.

90-x=210.

x=-120\degree.

Or

x=360-120=240\degree.

In this case the answer will be B

5 0
3 years ago
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jonny [76]

Answer:

x = 5, -3

Step-by-step explanation:

x² - 15 = 2x

x² - 2x - 15 = 0

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6 0
3 years ago
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