600 + 300 + 150 + . . . is a geometric sequence with a = 600 and r = 1/2
Sn = a(1 - r^n)/(1 - r)
S5 = 600(1 - (1/2)^5)/(1 - 1/2) = 600(1 - 1/32)/(1/2) = 1,200(31/32) = 1,162.5
Answer:
2 4/9
Step-by-step explanation:
You need to divide the two fractions.
You need to multiply 11/4 by the reciprocal of 9/8.
11/4 times 8/9
You can simplify first.
11 times 2/9
22/9
Simplify to
2 4/9
Who that even possible 6(3+4) is 6*3 + 6*4= 42
Answer:
x=-3
Step-by-step explanation:
-x-20=4x-5
-20=5x-5
-15=5x
x=-3
