The area of lateral surface is equal that the perimeter multiply by the length. So the lateral surface area of roll A is 3*π*30=90π. Roll B: d*π*24=24dπ. Put them together: 90π=24dπ. So d=3.75 in.
Answer:
1.62,15/20,16.2%
Step-by-step explanation:
In 1 hour ther are 60 minute so
1/2 hour=30 minutes
so 30 times 70=resting beats per 1/2 hour=2100
then 150 times 30=jogging beats per minute=4500
subtract
4500-2100=2400
it beat 2400 more times
answer:
the mean for this is 27
step-by-step explanation:
all you have to do is add up all of the times
15, 18, 20, 22, 28, 37, 49
which would have given you
189
then you divide that number by how much times were written down
7 would be that number so
189/7 = 27
and this is what it is written in one equation
(15+18+20+22+28+37+49)/7
hope this helps you! :)
We know that
<span>If the slope of the angle from the vertex is positive, then it is an angle of elevation.</span>
<span>If the slope of the angle from the vertex is negative, then it is an angle of depression.</span>
The angle of elevation is congruent to the angle of depression because they are alternate interior angles
in the picture
∠ 1 is the angle of elevation from submarine to the boat
∠2 is the angle of depression from boat to submarine
∠3 is the angle of elevation from boat to the lighthouse
∠4.is the angle of depression from the lighthouse to the boat
therefore
the answer is
∠2 is the angle of depression from boat to submarine
