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OleMash [197]
3 years ago
13

The geometric sequence bn is defined below. Find b3. B1 = 54 R= -1/3

Mathematics
1 answer:
eimsori [14]3 years ago
3 0

Answer:

6

Step-by-step explanation:

hello :

the nth term is : Bn= B1×R^n-1

calculate B3  (when n=3)    R= -1/3   B1 = 54

B3 =54×(-1/3)^(3-1)

B3 =54×(1/9)=6

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Help I can not figure this out at all even my older kids tried
Semenov [28]
Don't repost because somebody will answer (probably)

we got some points
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y=mx+b
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if we assume they are in a straight line
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because slope between (x1,y1) and (x1,y1) is (y2-y1)/(x2-x1)

y=2x+b
if we solve for b we get
hmm
5=2(3)+b
5=6+b
-1=b

y=2x-1


so double x and minus 1 to get y
10*2=20, 20-1=19


23=2x-1
24=2x
12=x

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rule is y=2x-1 or
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4 0
3 years ago
If you have a new deck of shuffled cards, what is the probability you will choose a red card? (52 cards, no jokers) A) 1 13 B) 1
Katarina [22]
Well  with 52 cards (jokers not included) you have half red cards and half black... 26 of each so B... 1/2
6 0
4 years ago
Which equation has no solution? A 2(x+1)=1 B 2(x+1)=2x+2 C 2(x+1)=2x+1 D 2(x+1)=2
Veseljchak [2.6K]

Answer:

C) 2(x+1)=2x+1 ( No Solution )

Step-by-step explanation:

1)

2(x+1)=1\\\cfrac{2\left(x+1\right)}{2}=\frac{1}{2}\\x+1=\cfrac{1}{2}\\ x+1-1=\frac{1}{2}-1\\\boxed{x=-\frac{1}{2}}

2)

2(x+1)=2x+2\\2x+2=2x+2\\2x+2-2=2x+2-2\\2x=2x\\2x-2x=2x-2x\\0=0

3)

2(x+1)=2x+1 \\2x+2=2x+1\\2x+2-2=2x+1-2\\2x=2x-1\\2x-2x=2x-1-2x\\0=-1\\\boxed{No\:Solution}

4)

2(x+1)=2\\\cfrac{2\left(x+1\right)}{2}=\cfrac{2}{2}\\x+1=1\\x+1-1=1-1\\x=0

~

4 0
2 years ago
Bentley was playing with 3 old dog toys and 6 new dog toys. If Bentley has 18 old dog toys how many new dog toys does he have?
lawyer [7]

Answer: 36 new dog toys

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8 0
2 years ago
How to graph y=-3x+15
steposvetlana [31]

Answer:

Well first you put the y-intercept on the graph. In this case it would be 15

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The you do the slope which is 3

so you always do rise over run for slope.

If 3 were a fraction it would be 3/1 so go up 3 points and the go right 1 point from (0,15)

hope this helps .-.

3 0
4 years ago
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