MATHEMATICS HIGH SCHOOL

Amar and his friends went to a movie at 1:35 P.M. The movie ended at 3:20 P.M. How long was the movie?

Answers

Answer 1
Answer: They spend at the movie 2 hours and 30 minutes.          

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Show that the point (3, 7) lies on the line y = 2x + 1

Answers

Just plug in the point
x = 3 and y = 7
Y = 2(3) + 1
Y = 6 + 1
Y = 7
That’s how to prove it

Find the maximum value of x for which inequality 8.5x-24.7less than or equal to 3x+32.5 is true.

Answers

Answer:

The maximum value of x is 11.8.

Step-by-step explanation:

8.5x-24.7 <= 3x+32.5

5.5x <= 65

     x <= 11.8

The maximum value of x is 11.8.

Could anyone help me understand this problem?"Find the perimeter of the figure, where AC=26, AD=BF, and D is the midpoint of AC. Round your answer to the nearest tenth."

Answers

It seems you will have to use a LOT of trigonometric calculations.
Line AC = 26 
Line AD = 13 = Line DC = 13
Line BF = 13

Angle ABC = Angle GBF = Angle FBH = 55 degrees each

cosine 40 = 13 (Line AD) / Line AE  
Line AE = 13 / 0.76604  = 16.97

tangent 40 = ED / AD = ED / 13
Line ED = 0.8391 * 13 = 10.908

Line DC =13
 
Angle ABC = 55 degrees
tangent(55) = 26 / AB
AB = 26 / 1.4281  = 18.206

Well, that's about half the calculations.
(As I said it's a lot of work).


What is the equation of the line that is parallel to the line 5x + 2y = 12 and passes through the point (−2, 4)?

Answers

I believe the answer is y = -5/2x + 6

Answer:

y = -5/2x + 5

Step-by-step explanation:

i did the test

Leo is running in a 5-kilometer race along a straight path. if he is at the midpoint of the path, how many kilometers does he have left to run?

Answers

Let us assume Leo starts from a point (0,0)

Since the total length of the race is 5 km, he will be at (5,0) at the end of the race.

It is given that, he is at the mid point of the race.

Mid point formula is  : ((x_(1) +x_(2) ))/(2) , ((y_(1) +y_(2) ))/(2)

Present coordinate : (5+0)/(2) , (0+0)/(2) = (2.5,0)

He still needs to run 5-2.5 = 2.5 km

Solve for x pls help me

Answers

Answer:

90

Step-by-step explanation:

circumference of total circle = 16 pi

16 pi / 4 pi = 4

1 / 4 =25%

1/4 * 360 = 90
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