An athlete was having her blood pressure monitored during a workout. Doctors found that her maximum blood pressure, known as systolic, was 90 and her minimum blood pressure, known as diastolic, was 60. If each heartbeat cycle takes 0.8 seconds, then determine a sinusoidal model, in the form y=A sin⁡(Bt)+C, for her blood pressure as a function of time t in seconds. Show the calculations that lead to your answer. Nevermind I got the answer on my own. If you want to know what the answer is then here it is:

81 seats

step-by-step explanation:

if you multiply 0.65 times 125 then you get 81.5 seats. well since you can't have half of a seat you have to round down and get 81 seats in the no children zones. that leave 44 seats outside of the no children zone.

i think it is 70

step-by-step explanation:

c.   x=2.4cm

step-by-step explanation:

similar triangles are triangles which have the same shape but not the same size. this means their angle measures are equal but their side lengths are not instead they are proportional. to solve, we will set up a proportion and solve.

a proportion is two equal ratios set equal to each other. we form the ratios by finding corresponding sides (sides which match to each other on both triangles by their position). out ratios will be one side of the small triangle over the corresponding side on the big triangle as shown below:

.

to solve the proportion, we'll cross multiply by multiplying numerator with denominator across the equal sign.