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6. Jack is x years old
Jill is 8 years older than Jack.
Mary is three times older than Mary.
The Sum of their ages is 67.
(a) Form a simplified equation in terms of x
(b) Solve the equation and work out Rebecca's Mary's and Jill's ages
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52 cm radius = diameter = area = circumference = circumfer
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Which of the following functions corresponds to the above sinusoid? a. 10 cos πx - 5 b. -5 sin x - 5 c. -10 cos πx/2 - 0.5 d. 10 sin πx - 5
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6. Jack is x years old
Jill is 8 years older than Jack.
Mary is three times older than Mary.<...
Mary is three times older than Mary.<...
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