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Irina-Kira [14]
3 years ago
11

A hockey player passes a puck to his teammate by bouncing it off a wall. The angles formed when the puck hits the wall and bounc

es off are congruent. Some of the distances are shown.
What is the distance, x, from Player 1 to the wall?

Enter your answer, as a decimal, in the box. Round your answer to the nearest hundredth.

Mathematics
2 answers:
UkoKoshka [18]3 years ago
7 0
X     8-- = --12    9
96 = 9x
x = 10.67 ft.
Vinvika [58]3 years ago
5 0

Two different triangles for player 1 and player 2

Both triangles have right angle and same angle where they are connected. So other angle is also same.

All angles are same so they are similar triangles.

smaller triangle is similar to larger triangle

Hence the sides are in proportion

\frac{x}{8} = \frac{12}{9}

So x * 9 = 12 * 8

9x = 96

Divide by 9 on both sides

x = 10.67 ft

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8 0
3 years ago
the temperature in an experiment is increased at a constant rate over a period of time until the temperature reaches 0 degrees c
dsp73

Answer:

x = 28 (So it takes 28 hours for the temperature to reach 0°C.)

y = -70 (So the temperature when the experiment begins is −70°C.)

Step-by-step explanation:

To find the the x value, you remove the y value or replace it with 0.

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Next you move the variable.

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Gnoma [55]

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Since this sum is n(n+1)/2, we need to solve the equation n(n+1)/2 = 66.

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Since 66 is a relatively small number, you can also solve this problem with a hand calculator. Add 1 + 2 = + 3 = +... etc. until the total is 66. The last number that you entered (11) is n.

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Please help meeeeee thanksss
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Answer:

Step-by-step explanation:

it's 3     hmmm it tells you rise over run.. just about where they are asking for the answer.. what do you not get about the question?  

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