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kmcpig
28.10.2020 •
Mathematics
Which of the following functions represents the values in the table below? (-4,25), (-3,16), (-2,9), (-1,4)
f(a) = 4a 2 + 5
f(a) = a 2 - 2a + 1
f(a) = a 2
f(a) = a 2 - 4a - 3
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Ответ:
A
Step-by-step explanation:
Hopefully this helps!
Ответ:
14 cm
Step-by-step explanation:
Given:
A mug can hold 13.46 oz of coffee.
The radius of the mug is 3 cm.
Given that 1
equals 0.034 oz.
Question asked:
What is the height of the mug to the nearest centimeter ?
Solution:
Given that 1
equals 0.034 oz.
By unitary method:
0.034 oz = 1![cm^{3}](/tpl/images/0542/1860/61c31.png)
1 oz =![\frac{1}{0.034}](/tpl/images/0542/1860/b612d.png)
13.46 oz =![\frac{1}{0.034}\times13.46 =395.88 \ cm^{3}](/tpl/images/0542/1860/f202b.png)
A mug can hold 13.46 oz of coffee means volume of cylinder is given which is 395.88
. Now we can find the height of the mug by using volume of cylinder formula:
volume of cylinder =![\pi r^{2} h](/tpl/images/0542/1860/aeb6d.png)
By cross multiplication:
By dividing both side by 198
Therefore, height of the mug to the nearest centimeter is 14 cm.