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2 years ago

14

A movie is 2 hours and 28 minutes long. It started at 7:50pm . At what time will the movie ends

2 answers:

aliya0001 [1]2 years ago

6 0

Movie ends at: 7.50+2 28min

7. 50pm+ 2h ->9.50
9.50+28 min -> 10.18 pm

Arada [10]2 years ago

4 0

7:50 + 2 hours

9:50 + 10 = 10.00

+ 18 = 10.18pm

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Wittaler [7]

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As the sum of three angles of a triangle is 180°, so we can say the sum of other two angles of a right angled triangle is (180-90)° = 90°.

Here in the figure the other two angles given $(2x)^o$ and $(x+15)^o$ . Sum of these two angles is 90°.

So we can write the equation as,

$(2x)+(x+15) = 90$

We have to remove the parenthesis now.

$2x+x+15 = 90$

Now we will add the like terms. Here x and 2x are like terms. By adding them we will get,

$3x+15 = 90$

To solve it for x, now we have to move 15 to the other side by subtracting it from both sides.

$3x+15-15 = 90-15$

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$3x= 75$

Now to get x, we have to move 3 to the other side, by dividing it to both sides.

$(3x)/3 = (75)/3$

$x = (75)/3$

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statuscvo [17]

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