3 years ago

SOMEONE PLEASE HELP ME !! THANK YOU

Mathematics

1 answer:

Ksivusya [100]3 years ago

3 0

Gxgchccuvugugucuccuug vuvuguufuffifufiufufufufkvjg

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A sequence {an} is generated by the recursive formulas a1 = 5 and an = an-1 + 5(-1)n. Find, a343, the 343rd term of the sequence

Olenka [21]

$a_n=a_{n-1}+5(-1)^n\\\\if\ n\ is\ even\ then:a_n=a_{n-1}+5(-1)^n=a_{n-1}+5\\\\if\ n\ is\ odd\ then:a_n=a_{n-1}+5(-1)^n=a_{n-1}-5\\\\a_1=5\\a_2=5+5=10\\a_3=10-5=5\\a_4=5+5=10\\a_5=10-5=5\\\vdots\\a_{343}=5\ \ \ \ (343\ is\ odd\ number)$

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3 years ago

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What is 0.02×0.789÷3.099 equals

Vikki [24]

Step 1: Simplify 0.02 x 0.789 to 0.01578

0.01578 ÷ 3.0999

Step 2: Simplify 0.01578 ÷ 3.0999 to 0.0051

0.0051

Done! :) Decimal Form Would Be 0.0051

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3 years ago

Scale factor of 3 and 6

GenaCL600 [577]

Answer:

3:6

3x2=6

Scale factor = 2

Step-by-step explanation:

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n a raffle, Scott buys 10 tickets and his friend Tom buys 6 tickets. If there are 80 tickets sold, what is the probability that