Answer:
Step-by-step explanation:
You used Pythagorean theroem which is correct as this does form a right triangle however 50 is the hypotenuse as the ladder is propped up against the wall. 30 would then be the height of the triangle and the base is unknown so...

50 squared minus thirty squared gives 1600 so:

Therefore x is the square root of 1600 which is 40
Answer:
60 different ways.
Step-by-step explanation:
We have been given that you have 5 reindeer, Bloopin, Rudy, Ezekiel, Prancer, and Balthazar, and you want to have 3 fly your sleigh. You always have your reindeer fly in a single-file line. We are asked to find the number of ways in which we can arrange reindeer.
We will use permutations to solve our given problem.
The number of way to choose r objects from a set of n objects is
.
Upon substituting our given values in permutations formula, we will get:





Therefore, you can arrange your reindeer in 60 different ways.
Answer:
2(x+10)
Step-by-step explanation:
Well since sum is addition and the number and 10 are the sum, let’s make the “number“ (x) and add em up. 10+x.
Now we gotta double that sum which is basically
2(10+x)
Answer:
4^1/8
Step-by-step explanation:
One of the exponential properties