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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

Answered by • Maths tutor

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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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Translate the following sentence into Dutch "As a child I used to live in Rotterdam, but now I live in Amsterdam with my family."

Als kind woonde ik in Rotterdam, maar nu woon ik in Amsterdam met mijn familie.

Answered by Luna d. • Dutch tutor

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The line l is a tangent to the circle x^2 + y^2 = 40 at the point A. A is the point (2, 6). The line l crosses the x-axis at the point P. Work out the area of triangle OAP.

The area of OAP is 60. The missing information I need is to find the x coordinate of point P. To do this I need to find the equation of the tangent. For this I first found the equation of the radius by fi...

Answered by Kai Y. • Maths tutor

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