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(ii) In 90 days, the gas used by a family cost $198.16 . Calculate the number of units of gas used.

total in CENTS = (n days x p per day) + (n units x p per unit)19816 = (90 X 24.5) + (y x 5.5)y = 3202 units

Answered by • Maths tutor

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Electricity: 23.15 cents p/day plus 13.5 cents p/unit used Gas price: 24.5 cents p/day plus 5.5 cents p/unit used (a)(i) In 90 days, a family used 1885 units of electricity. Calculate the total cost, in dollars, of the electricity they used.

answer: $275.31(n of days x price p/day) + (n units used x price p/unit)(90 x 23.15) + (1885 x 13.5) = 27531 CENTS27531 CENTS = 275,31 DOLLARS

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integrate (4x^3 +3)(x^4 +3x +16)^2 dx

For this integration, we will use integration by substitution:First, we will let substitute u = X⁴ + 3X + 16 (this may be known as g(x) function and we will need to find the derivative of our u...

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How are monoclonal antibodies produced?

All antibodies are produced by (B) lymphocytes, which are the cells of the immune system. They are produced as a response to special proteins (antigens) on the surface of pathogen cells; they are made to ...

Answered by Hamsini E. • Biology tutor

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Compare Anaerobic respiration in a yeast and muscle cell

Both are as a result of a lack of oxygen and produce small amounts of energy, however Yeast produces ethanol, where as a muscle cell will produce lactic acid. Yeast will furthermore produce CO2 while the ...

Answered by Luna d. • Biology tutor

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