2 answers:
Answer:

Step-by-step explanation:
we know that
The surface lateral area of a cylinder is equal to

where
r is the radius of the base of the cylinder
h is the height of the cylinder
Solve for h-------> means isolate the variable h
so
Divide by
both sides

Simplify

First you want to get h alone so you divide 2<span>π</span>r by s so your answer would be
h=S/2πr
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Answer:
The larger number is 20.
Step-by-step explanation:
Let x and y be the two numbers.
y = 2x + 4
x + y = 28
So x + 2x + 4 = 28
3x = 24
x = 8
y = 20
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Answer: 0.95994
Step-by-step explanation:
Answer:
2/4. I.e multiplying both denominator and numerator by 2
Step-by-step explanation:
Answer:
23. x= -2/5 x= -5
24. x= 3/4 x= -1/6
25. x= 7/3. x= -5/4
26. x= 3 x= -2/3
27. x= 1. x= -2/7
28. x= 9/4. x= -1/3
29. x= 2/5 x= 1/3
30. x= 2/3 x= 1/2