<h3>
Answer: choice C) geometric series</h3>
==================================
Explanation:
The sequence {5, 5/3, 5/9, 5/27, 5/81, ...} is a geometric sequence with starting term a = 5 and common ratio r = 1/3
A geometric sequence is such that each term is generated by multiplying the last term by the same common ratio to get the next term
- first term = a = 5
- second term = (first term)*(common ratio) = a*r = 5*(1/3) = 5/3
- third term = (second term)*(common ratio) = (5/3)*(1/3) = 5/9
- fourth term = (third term)*(common ratio) = (5/9)*(1/3) = 5/27
- fifth term = (fourth term)*(common ratio) = (5/27)*(1/3) = 5/81
and so on. When we add up terms in a sequence, we form a series.
Answer:
160
Step-by-step explanation:
60-24=36 left
24 x 8 = 192
36/2=18
9 x 12 =108
108+192=300
300-140= 160 euros profit
Answer:
can you plz rewrite the question I want to help but I can't see it. you can even take a picture of the question.
<h3>
Answers:</h3>
The first ordered pair is ( -4 , -3 )
The second ordered pair is ( 8, 3 )
=================================================
Explanation:
The first point is (x,-3) where x is unknown. It pairs up with y = -3 so we can use algebra to find x
x-2y = 2
x-2(-3) = 2 ... replace every y with -3; isolate x
x+6 = 2
x = 2-6
x = -4
The first point is (-4, -3)
---------------------------
We'll do something similar for the other point. This time we know x but don't know y. Plug x = 8 into the equation and solve for y
x-2y = 2
8-2y = 2
-2y = 2-8
-2y = -6
y = -6/(-2)
y = 3
The second point is (8, 3)
15/x = 40/100. Cross multiply to get 1500 = 40x. Divide by 40 on both because you want to isolate the variable. The idem would originally cost $37.50. To check your answer you would substitute your equation and get 15/37.5 = 40/100. Just so you know a decimal can be in a fraction. Cross multiply to get 1500 = 1500. <span />