<span>Cosine and Sine are related by the formula cos(x)= sin(x+90). Setting x+90 equal to 75 results in x=-15, Therefore, cos(-15) = sin (75). Since cos is an even function, cos(15)=cos(-15)= sin(75).</span>
Answer:
Mean, 6.16
Median, 5.5
Mode, 0
Range, 15
Step-by-step explanation:
id k which row i was supposed to do but i did the # of students.
Answer:
5 1/4
Step-by-step explanation:
* is multiplication
1 3/4 is 1.75
so
24/1.75 = 72/×
1.75 * 72 = 24 * x
126 = 24x
24x = 126
x = 5.25 or 5 1/4
Two numbers that round to 3.8 when rounding to the nearest tenth can be 3.78 and 3.79
Answer:
20 dollars an hour.
Step-by-step explanation:
Anamarie worked for 21 hours. 420 dollars divided by 21 hours is 20 dollars per hour. Since she worked for 3 hours each night and she worked for 21 hours she worked 7 nights ergo 1 week.