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TiliK225 [7]
2 years ago
14

Andrew wants to build a slide for his daughter’s tree house. If the tree house is 5 ft off the ground and he wants the slide to

make a 30° angle with the ground, how long a sliding board does he need to buy? (Round to the nearest foot.)
Mathematics
1 answer:
Lapatulllka [165]2 years ago
3 0
Andrew is wanting to build a slide for his daughter's tree house in the backyard. The tree house is approximately 5 feet off the ground and he wants the slide to have a 30 degree angle with the ground. He will need to by 10 ft of sliding board. 
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worty [1.4K]

Answer:

√10/2

Step-by-step explanation:

5/√10

Rationalizing the surd involves multiplying the numerator and denominator by the surd.

5/√10 * √10/√10

5√10/10

√10/2

8 0
3 years ago
Regard y as the independent variable and x as the dependent variable and use implicit differentiation to find dx/dy. x5y2 − x4y
il63 [147K]

Answer:

dx/dy =  (x^4 -  2x^5y -  6xy^2) /  (5x^4y^2 - 4x^3y +  2y^3).

Step-by-step explanation:

x^5y^2 − x^4y + 2xy^3 = 0

Applying the Product and Chain Rules:

y^2*5x^4*dx/dy + 2y*x^5 - (y*4x^3*dx/dy + x^4) + (y^3* 2*dx/dy + 3y^2*2x) =0

Separating the terms with derivatives:

y^2*5x^4*dx/dy - y*4x^3*dx/dy + y^3* 2*dx/dy =  x^4 -  2y*x^5 -  3y^2*2x

dx/dy =  (x^4 -  2x^5y -  6xy^2) /  (5x^4y^2 - 4x^3y +  2y^3)

7 0
3 years ago
Read 2 more answers
Carlos is a member of a gym. He pays a monthly fee plus a per- visit fee. The equation y = 3x + 10 represents the monthly amount
IrinaK [193]

Answer:

25 times

Step-by-step explanation:

To find how many times he visited, plug in 85 as y and solve for x:

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7 0
2 years ago
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enot [183]

Step-by-step explanation:

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234=9.13.h

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hope this helps you.

7 0
2 years ago
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The driver of a car traveling at 54ft/sec suddenly applies the brakes. The position of the car is s=54t-3t^2, t seconds afyer th
castortr0y [4]
  <span>s = 60t - 3t^2 
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when it comes to rest, v = 0, 
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</span>
6 0
2 years ago
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