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Mashcka [7]
3 years ago
8

PLZ HELP ME ANSWER IN SCIENTIFIC NOTATION FOR BOTH QUESTIONS WITH STEPS DUE BY 12PM

Mathematics
1 answer:
koban [17]3 years ago
5 0

Answer:

86868600 for C and 416.88 for the D

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Please help me and show work
borishaifa [10]

Answer:

2/5

Step-by-step explanation:

If we convert 1/2 to tenths we get 5/10. We can subtract that from 9/10 to find out what q equals which will give us 4/10 which is also equal to 2/5

(sorry i'm really bad at explaining but I hope this helps)

5 0
3 years ago
A cylindrical can, open at the top, is to hold 840 cm3 of liquid. Find the height and radius that minimize the amount of materia
ycow [4]

Answer:

the radius of the base is equal to x=2\sqrt[3]{\frac{105}{\pi } }

And the height is equal to:

y=\frac{840}{\pi(2\sqrt[3]{\frac{105}{\pi}})^{2} }

Step-by-step explanation:

We write the volume function

f(x,y)=840=\pi x^{2} y where x is the radius of the base and y is the height of the cylinder

y=\frac{840}{\pi x^{2} }

The surface of a cylinder is given by

S(x)=\pi x^{2} +2\pi xy=\pi x^{2} +\frac{1680}{x} on the interval from 0 to infinity

We now determine the critical values by differentiating and making the equation equal to 0

f'(x)=2\pi*x- \frac{1680}{x^{2}} =\frac{2\pi x^{3}-1680}{x^{2} } =0

This equation have 2 complex solutions and one real solution

x=2\sqrt[3]{\frac{105}{\pi } }

For x=0 and infinity the equation goes to infinity also so the radius of the base is equal to x=2\sqrt[3]{\frac{105}{\pi } }

And the height is equal to:

y=\frac{840}{\pi (2\sqrt[3]{\frac{105}{\pi } })^{2} }

y=\frac{840}{\pi(2\sqrt[3]{\frac{105}{\pi}})^{2} }

7 0
3 years ago
If the clock is held at a constant 0.0ºc over a period of 24 hours, how much longer or shorter does the clock measure compared t
NARA [144]

<span>If the clock is held at a constant 0.0ºc over a period of 24 hours, the clock will be exactly the same as the perfect clock because  it is at a constant 0.0</span> <span>ºc for 24. Meaning there is no deviation on its reading</span>

3 0
4 years ago
Help me answer this question
balandron [24]

Answer: Sorry i whould help but I cant see it can you put it more bigger

Step-by-step explanation:

5 0
3 years ago
What is weight of 1.57 kgs to 5.61 kgs
inna [77]
All you do is divide 1.57kgs and 5.61kgs 

and the answer to that would be 3 
7 0
3 years ago
Read 2 more answers
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