<span>From the pythagorean theorem, we know that x^2 and y^2 = 15^2, where x and y, where x is the base moving from the wall and y is the distance of the ladder sliding down. This means that y = sqrt(225 - x^2). Plugging in x = 13 gives us y = 2sqrt(14). Differentiating both sides of the original equations gives us dy/dt = 13 x 4 / 2sqrt(14) = 52/2sqrt(14) = 26/sqrt(14) ft/s.</span>
Answer:
6th term
Step-by-step explanation:
95=55+8n-8
95-55=8n-8
40+8=8n
48/8=8n/8
6=n
Answer:
78
Step-by-step explanation:
Solve by PEMDAS.
Parentheses first.
12-5 is 7 and 9x6 is 54, 83-54 is 29.
(7)^2+(29)
Exponent next,
49+29
add them up and you get 78.
Hope this helps! Hit the crown if you want.
#Team Rainbows!
Answer:
1. is a solution
2. is a solution
3. not a solution
4. not a solution
5. not a solution
6. is a solution
7. is a solution
8. not a solution
Step-by-step explanation:
45x + 50y = 2500
45(0) + 50y = 2500
50y = 2500
y = 50