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3 years ago

5

Mary is going down a straight waterslide that is 150 feet above the ground. The waterslide is 225 feet long. What is the angle o

f elevation with the ground to the top of the waterslide?round to two decimals places

1 answer:

xz_007 [3.2K]3 years ago

8 0

Answer:41.81 degrees

Step by step solution: see photo

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3 years ago

Read 2 more answers

Solve the system of equations. -10y+9x=-9 <br> 10y+5x=-5

alexira [117]

by the use of elimination method

make all coefficients of subject to be eliminated similar..by multiplying the coefficients with one another

for eqn(i)

5(-10y+9x=-9)

-50y+45x=-45

for eqn(ii)

9(10y+5x=-5)

90y+45x=-45

-50y+45x=-45

90y+45x=-45

...subtract each set from the other...

we get

-140y+0=0

y=0

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x= -1

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3 years ago