The given is that y varies directly with x:
y = xk
8 = 2k
k = 4
Now we know that the constant is 4. Make a new equation:
y = xk
y = 10(4)
y = 40
-T.B.
length of the slide is lets say 'l' the height (h) opposite to the angle 28 is found by h=l*sin28 where sin28=0.47 approximately h=4.5*0.47 h=2.115m
Answer:
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Step-by-step explanation
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Answer: 3.76 meters
Step-by-step explanation:
Answer:

Step-by-step explanation:
Hey there!
Standard form is what this equation is in
Standard form is this: 
So order to complete the square, you need to take the
term out of the equation, divide it by two, and then square it
In this case, the
term is 8
We need to divide 8 by 2 ---> 4
Then square 4 ---> 16
So now you should add 16 to both sides

Now you can simplify the LHS

Now you subtract 16 from both sides

So this is as far as you can go since you cannot take the square root of a negative number