Hello :
<span>the nth term of a geometric sequence is :
Un = Up ×r^(n-p) . r is the common ratio
for : p=5 and n= 2
U5 = U2 ×r^3
16 = -2 r^3
r^3 = -8
but : -8 = (-2)^3
so : r = -2
Un = U2 × r^(n-2)
Un = -2 ×(-2)^(n-2)= (-2)^(n-2+1)
</span><span>the nth term of a geometric sequenceis : Un = (-2)^(n-1)</span>
Step-by-step explanation:
If np is attitude
5x^2+10=90
5x^2=80
x^2=16
X=+-4
angle npo=90 degeees
Answer:
17/18
Step-by-step explanation:
1/2 + 4/9
9/18 + 8/18 (need common denominators to add)
17/18
cannot simply because 17 is prime
