5/32 a)
800
a) Work out the size of angle x.
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А
100"
B
b) Give reasons for your answer.
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X/
H
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9. (y^-5)^10y^10 a. y^-60 b. y^60 c. y^-150 d. y^150 find the simplified form of each expression. 10. (4/7^5)^2 a.8/14^10 b.16/49^25 c.16/49y^10 d.8/14y^25 11. determine if the number 3.43 times 10^-6 is written in scientific notation. if not, explain. a. yes; the number is written scientific notation. b. no; the first factor is not a number between 1 and 10. c. no; it is not written as a number times a power of 10

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2