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vera_ewing
 one year ago
Can someone please explain how to solve this SAT Math question?
vera_ewing
 one year ago
Can someone please explain how to solve this SAT Math question?

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vera_ewing
 one year ago
Best ResponseYou've already chosen the best response.1a, 2a−1, 3a−2, 4a−3, ... For a particular number a, the first term in the sequence above is equal to a, and each term thereafter is 7 greater than the previous term. What is the value of the 16th term in the sequence?

vera_ewing
 one year ago
Best ResponseYou've already chosen the best response.1@sammixboo Can you please explain how to solve this?

freckles
 one year ago
Best ResponseYou've already chosen the best response.2you are given term is 7 more than the last term that we could go ahead and solve for a knowing that 2a1 is 7 more than a you have the equation 2a1=a+7 (solve for a )

freckles
 one year ago
Best ResponseYou've already chosen the best response.2once we find a then I think things will be more clearer to you

vera_ewing
 one year ago
Best ResponseYou've already chosen the best response.1Could I do (2a1)a=7 ?

freckles
 one year ago
Best ResponseYou've already chosen the best response.2yes so you have 2aa1=7 and you can also add 1 on both sides 2aa=7+1

vera_ewing
 one year ago
Best ResponseYou've already chosen the best response.1Ohhh I see. Can you give me a similar problem to solve please?

freckles
 one year ago
Best ResponseYou've already chosen the best response.2but we aren't done with that problem

freckles
 one year ago
Best ResponseYou've already chosen the best response.2we are asked to find the 16th term not a

freckles
 one year ago
Best ResponseYou've already chosen the best response.2finding a will help us though

vera_ewing
 one year ago
Best ResponseYou've already chosen the best response.1Yes, so the 16th term would be 113, right?

freckles
 one year ago
Best ResponseYou've already chosen the best response.2yep you are brilliant :)

freckles
 one year ago
Best ResponseYou've already chosen the best response.2a similar problem... hmm... one sec

freckles
 one year ago
Best ResponseYou've already chosen the best response.2You have the sequence: 1a,22a,33a,44a,.... You are given that each term is 5 less than the previous term. Find the 9th term.

vera_ewing
 one year ago
Best ResponseYou've already chosen the best response.1So (1a)  5 = 2  2a ?

freckles
 one year ago
Best ResponseYou've already chosen the best response.2that is the exact equation I have setup :)

vera_ewing
 one year ago
Best ResponseYou've already chosen the best response.1So the 9th term is 45?

freckles
 one year ago
Best ResponseYou've already chosen the best response.2totally what I got great job

vera_ewing
 one year ago
Best ResponseYou've already chosen the best response.1Yay! Thank you so much!! :)
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