Simplify this expression
1 answer:
You might be interested in
Answer:
The 1st term is -67
Step-by-step explanation:
I. When Sn = (
)
If Sn = 124, n = 8 and = 98
124 = 8/2(a + 98)
124 = 4(a + 98)
124 = 4a + 392
124 - 392 = 4a
-268/4 = a
-67 =
Hope that help :D
Answer:
second option
Step-by-step explanation:
The perimeter is the sum of the 3 sides of the triangle
Given
hypotenuse = x and
the combined length of the legs = 2x , then
perimeter = x + 2x