Answer:
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navneet175285
Step-by-step explanation:
njkmmnu
Marco does 70 extra math problems each week. 14(5)=70
Answer:
242/27
Step-by-step explanation:
Using the formula for the sum, you can fill in the given values and do the arithmetic.
Sn = a1·(r^n -1)/(r -1)
S5 = 6·((1/3)^5 -1)/(1/3 -1) = 6(-242/243)/(-2/3) = 6·(121/81)
S5 = 242/27
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Or, you can write the terms and add them up. The sum is ...
6 + 2 + 2/3 + 2/9 + 2/27 = (162 +54 +18 +6 +2)/27 = 242/27
14/7, 14/7=2 and 2/4= 0.5
Solve for x by cross multiplication
- Swap the sides of equation
- Divide both sides of equation by 30
