Answer:
A
Step-by-step explanation:
Just cause it makes sense
Answer:
sin a=3/5
cos a=4/5
Step-by-step explanation:
<u>sin</u> <u>A</u>
AB(squared)=AC (squared)+CB(squared) AB(squared)=4(squared)+3(squared)
AB (squared)=16+9
AB (you must put a square root over AB)=25(remember 25 is now a square root)
AB=5
sin a=opposite/hypotenuse
=3/5
<u>cos A</u>
cos a=adjacent/hypotenuse
=4/5
<span> lets say integrand is e^(y/x):
∫(x = 0 to 1) ∫(y
= 0 to x^2) e^(y/x) dy dx
= ∫(x = 0 to 1) xe^(y/x)
= ∫(x = 0 to 1) x(e^x - 1) dx
= ∫(x = 0 to 1) (xe^x - x) dx
= (xe^x - e^x) - (1/2)x^2
= 1/2. </span>
Answer:
decimal form is -21.44 and fractional form is -536/25
Step-by-step explanation:
Answer to a is 25 km. Reason is that 75/60= 1.25 , therefore going 1.25 km a min. Now myltiply that by 20 and you get 25 km in 20 minutes. Answer to b should be roughly 3 hours and 33 minutes. The reason is that 250 km / 75km/ hour = 3 hours 33 min.
Hope this helps
