Jerry started doing sit ups every day. the first day he did 15 sit ups. every day after that he did 2 more sit ups than he had done the previous day. today jerry did to 33 sit ups. write an equation that could be solved to find the number of days jerry has been doing sit ups, not counting the first day.
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Use the following statements to write a compound statement for the conjunction or disjunction. then find its truth value. p: an isosceles triangle has two congruent sides. q: a right angle measures 90° r: four points are always coplanar. s: a decagon has 12 sides. a) a right angle measures 90° or an isosceles triangle has two congruent sides; true. b) a right angle measures 90° and an isosceles triangle has two congruent sides; true. c) a right angle measures 90° and an isosceles triangle does not have two congruent sides; false. d) a right angle measures 90° or an isosceles triangle does not have two congruent sides; true.

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

2f(x)= x+3 if 4 < x < 8 2x if x 28 2