Answer: 19 ft
Step-by-step explanation:
Hi, since the situation forms a right triangle (see attachment) we have to apply the Pythagorean Theorem:
c^2 = a^2 + b^2
Where c is the hypotenuse of the triangle (in this case the length of the ladder) and a and b are the other sides.
Replacing with the values given:
20^2 = (4 1/2)^2 + x^2
400=20.25 + x ^2
400-20.25 = x^2
379.75 = x^2
√379.75 = x
x = 19.48
x= 19 ft
Feel free to ask for more if needed or if you did not understand something.
Answer:
t + 8 = 82
Step-by-step explanation:
I believe they want the temperature at 11, so we would use the variable t to represent that. Then, we need the sum of that temperature and 8 degrees to break the record of 82 degrees, so we would do t, the temperature, added to 8 degrees, which will break the record of 82 :)
Answer:
b + 17
Step-by-step explanation:
3(6+b)-(2b+1) =
3*6 + 3*b - 2b - 1 =
18 + 3b - 2b - 1 =
b + 17
Answer:
yes
Step-by-step explanation:
Answer:
The correct answer is option C
Step-by-step explanation:
