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How does temperature affect enzymes?

Enzymes are proteins which catalyse (speed up without being used up) biological reactions. Each enzyme will only speed up one reaction as the shape of the enzyme molecule needs to match the shape of the mole...
LR
Answered by Liberty R. • Biology tutor
22025 Views

Find the solution of 3^{4x} = 9^{(x-1)/2}.

First, recognise that 3^2 = 9. Recall the rule for multiplying indices, that (a^b)^c = a^{bc}. Then, substitute 3^2 in place of 9 to get 3^{4x} = (3^2)^{(x-1)/2}. Use the rule for multiplying indices, so tha...
CO
2847 Views

f'(x) = 3x^2 - 5cos(3x) + 90. Find f(x) and f''(x).

Finding f(x) requires integrating the function f'(x), because f(x) is the integral of the given function f'(x). So {integralsymbol} f'(x) dx = {integralsymbol} (3x^2 - 5cos(3x) + 90) dx = x^3 - (5/3)sin(3x) ...
CO
2976 Views

Estimate the answer to: (4.28 x sqrt(99))/7.83

4.28 rounds down to 4; sqrt(99) is approximately 10; 7.83 rounds up to 8 So an appropriate estimate would be: (4x10)/8 = 40/8 = 5
AT
Answered by Amy T. • Maths tutor
3480 Views

-8x + 7 > 5x + 2

-13 x + 7 > 2 -13 x > -5 x < 5/13 Remember multiply or divide a number by a negative number, you switch the inequality sign
HK
Answered by Hyerim K. • Maths tutor
3626 Views