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seropon [69]
3 years ago
13

Solve the equation for the bold variable (h)

Mathematics
2 answers:
Aleonysh [2.5K]3 years ago
8 0

This is the formula for the surface area of a cylinder including the ends, like the total surface area of a can of peas.

S = 2·π·r² + 2·π·r · H

Divide each side by 2·π·r :

S/2·π·r = r + H

Subtract r from each side :

H = (S/2·π·r) - r

or

H = (S - 2·π·r²) / (2·π·r)

vodomira [7]3 years ago
8 0

In order to solve for the bold variable, we follow the order of operations. In this case h = S/(2(pi)r) - r

S = 2(pi)r^2 + 2(pi)rh ----> Subtract 2(pi)r^2 from both sides

S - 2(pi)r^2 = 2(pi)rh ----> Divide by 2(pi)r

S/(2(pi)r) - r = h



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Answer:

4) The bread contains a small quantity of multi-grain

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We don't know if that's correct since we don't know the percentages of each indredient, and we can't ensure that we have a bread rich in multi grains.

2) The bread does not contain any multi-grains.

That's False, since the problem states that at the end of the list of ingredients Jane read the list of grains.

3) This is a multi-grains rich bread.

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4) The bread contains a small quantity of multi-grain

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