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Mathematics

1 answer:

dexar [7]2 years ago

6 0

Number 3: x+x+100= 180 x=40
number 4: x+x+112=180 x= 34

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Find the 5th term of the sequence in which T1=8 and Tn=3t n-1

yan [13]

T_n = 3 * T_(n-1)

Long way (always works!)
T_5 = 3*T_4,
T_4 = 3*T_3
T_3 = 3*T_2
T_2 = 3*T_1

T_5 = 3*3*3*3*T_1 = 81*T_1 = 81*8 = 648!

Short way (sometimes it works!)

T_n = 3^(n-1) * T_1 (this case is a geometric series of ratio-=3)
T_5 = 3^4*8 = 648

6 0

2 years ago

The teacher paid $12 for 6 pounds of candy. Which statement is true about her unit<br> rate?

Hunter-Best [27]

Answer:

For every pound of candy, the teacher spent $2

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

2(w – 3y + 4) + w – 5

melisa1 [442]