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2 years ago

15

Help please! Explain in detail how to get a microscope into focus, working your way up to using the high power lens. Include any

safety Issues you need to be aware of.

1 answer:

Amiraneli [1.4K]2 years ago

5 0

Well
You take the thing

You make sure a very good amount of light is pointing at the microscope

And then you turn the zoom-in or zoom-out

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Megan bikes 10 mi in 40 min. At this rate, how far can she bike in 60 min?

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I'd say 35-40 miles...

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2 years ago

Is (0,0) a solution to 6x - 7y > 20 please include the steps!

leonid [27]

Answer:

No.

Step-by-step explanation:

To determine if (0,0) is a solution to the inequality, substitute 0 for x and 0 for y and check to see. Thus:

$6x-7y>20$

Substitute 0 for x and 0 for y:

$6(0)-7(0)\stackrel{?}{>}20$

Multiply:

$0-0\stackrel{?}{>}20$

Subtract:

$0\not>20$

So, (0,0) is <em>not</em> a solution.

And we're done!

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2 years ago

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Step-by-step explanation:

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2 years ago

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Dalton's sister Dorina plays basketball and makes 84% of her free throws. If she attempts 225 free

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She would make C. 189

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2 years ago

Solve using Quadratic Formula <br>x^2 + 3x - 3 = 0

katrin [286]

Answer:

a= 1 , b= 3 , c= –3

$x = \frac{ - b \frac{ + }{} \sqrt{ {b}^{2} - 4ac} }{2a} \\ x = \frac{ - 3 \frac{ + }{} {} \sqrt{ {3}^{2} - 4(1)( - 3)} }{2(1)} \\ = \frac{ - 3 \frac{ + }{} \sqrt{9 + 12} }{2} = \frac{ - 3 \frac{ + }{} \sqrt{21} }{2} \\ \\ x = \frac{ - 3 \frac{ + }{} \sqrt{21} }{2} \\ \\ x = 0.79 \\ x = - 3.79$

I hope I helped you^_^

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2 years ago