Answer:
12 marbles per bag
Step-by-step explanation:
Your equation would be 3x=x+24 because you have 3 bags of marbles with x number of marbles per bag, and your friend has 1 bag with x marbles plus 2 additional marbles
Then you solve this equation
3x=x+24
Subtract x from both sides
2x=24
divide both sides by 2
x=12
There are 4 seats in total.
There are 4 ways to fill 1st seat.
When 1st seat is filled, there will be 3 ways to fill the second seat.
Similarly there will be 2 ways to fill the third seat and 1 way to fill the last seat.
So, total number of ways the seats can be filled = 4 x 3 x 2 x 1 = 24 ways.
Therefore, the correct answer is option A
Answer:
sin(2x)/cos x = 2sin x*cos x/ cos x = 2 sin x = 2
sin x = 1
x = pi/2
but cos pi/2 = 0
so the given equation is indeterminate for x = pi/2
Step-by-step explanation:
FOIL: first term, outer term inner term, last term
The vertical distance between Dean and Jeff is 13 ft below the surface
Explanation:
Jeff dove 39 ft below the surface and then ascends 18 ft
-39 - 18 = 21
Jeff is 21 ft below the surface
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Dean is 34 ft below the surface
-34 - (-21) = -13 ft
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So, Dean and Jeff are 13 feet away from each other (vertical distance).
