3 years ago

Find the 14th term of the geometric sequence 1 , − 5 , 25 , . . .

Mathematics

1 answer:

skelet666 [1.2K]3 years ago

7 0

Answer:

Step-by-step explanation:

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Point C ∈ AB , AB = 30m. Point C is 1.5 times farther from point A than from point B. Find AC and CB.

Shtirlitz [24]

let's say that C is "x" units farther from B, that means that CB = x, and therefore AC = 1.5x.

$\bf \underset{\leftarrow ~~30~~\to}{\boxed{A}\stackrel{1.5x}{\rule[0.35em]{18em}{0.25pt}}C\stackrel{x}{\rule[0.35em]{10em}{0.25pt}}\boxed{B}}
\\\\\\
AB=AC+CB\implies \stackrel{AB}{30}=\stackrel{AC}{1.5x}+\stackrel{CB}{x}\implies 30=2.5x
\\\\\\
\cfrac{30}{2.5}=x\implies 12=x
\\\\[-0.35em]
~\dotfill\\\\
AC=1.5(12)\implies AC=18~\hspace{8em} CB=x\implies CB=12$

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3 years ago

Find the value of X for which the following fraction is undefined

aleksandrvk [35]

Answer: ±√2

Step-by-step explanation: A fraction is undefined when its denominator is =0 or undefined. so we need to get 2/3x²-6=0 or undefined. so we can also do 3x^2-6=0. Solving yields ±√2!

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irina1246 [14]

10 thanks and i'll answer this

Step-by-step explanation:

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2 years ago

What is the y-intercept of y = 5?

Vikentia [17]

Answer:

The answer is .

whenever y equals 5 this usually means that 5 is the answer because on the Y intercept it usually is just five but if you had x equals 7 the x intercept would be 7 .

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What is the unit rate for meters per second if a car travels 450 meters in 25 seconds?

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