Yes it is. Input the numbers into the pythagorean theorem,

and if they equal each other it is a right triangle.
Answer:
Step-by-step explanation:
You can plug in the 294 for A and solve
Answer:
8.7
Step-by-step explanation:
Since a square has equal side lengths, the formula for area is s^2, where s stands for side. Since we are given the area, s^2=75 square feet. Take the square root of both sides to get s is equivalent to the square root of 75 square feet. When this becomes a decimal, it is 8.66 feet. Since we are supposed to round to the nearest tenths, it rounds up to 8.7 feet per side length
Step-by-step explanation:
x+4=19-2x
Im pretty sure Im right!
Answer:
76
Step-by-step explanation:
4(-4(-9)-17)
4(36-17)
4(19)