pinkink
pinkink pinkink
  • 01-06-2018
  • Mathematics
contestada

algebra trig question need help asap number 18

algebra trig question need help asap number 18 class=

Respuesta :

efawan
efawan efawan
  • 01-06-2018
Solution:

n=1,2,3,...,12

n=1, 2(1)+1=3
n=2, 2(2)+1=5
n=3, 2(3)+1=7
n=4, 2(4)+1=9
...
n=12, 2(12)+1=25

sum = 3+5+7+9+11+13+15+17+19+21+23+25
=168
Answer Link

Otras preguntas

Match each value with the smallest number set that it belongs to.
Sela has 6 times as many coins as she had 4 months ago. If sela has 240 coins now ,How many coins did she have 4 months ago.
Jay Spring pays $350.00 annually for his health insurance. This is 1/3 of the total cost of the premium; his company pays the rest. He pays a $200 deductible an
simplify 3√128-2√6x4√3
why period happens (girls)
in your own words define "standard written English"
60g of vinegar was used in a chemical reaction with baking soda. The total mass of the products is 140g. what was the mass of the baking soda? A) 60g B) 80g C)
Can you guys help me? I need to study this for a test 1/2=2/3x
Under what circumstance did Africans come to South America
Describe the climate of Bangladesh. What natural calamities do the people of Bangladesh face?