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Salsk061 [2.6K]
3 years ago
8

Is 1.21221222 a rational number

Mathematics
2 answers:
trapecia [35]3 years ago
8 0

Answer:

i think no i think lng po ehh

shusha [124]3 years ago
7 0

Answer:

It is a rational number

Step-by-step explanation:

Rational numbers include decimals and normal fractions, so it is rational

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A candle is lit and the length of the burning candle changes at a constant rate of -1.6 inches per hour. 3 hours after the candl
Gnesinka [82]

Answer: The length of the candle was 13.5 inches before it was lit.

Step-by-step explanation:

Let the length of candle in the beginning be c.

Constant rate of change in length of candle=  -1.6 inches per hour

Since rate of change is constant so the length of candle can be represented by a linear function [Linear function has constant rate of change.]

Linear function : f(x)= mx+c , where x= independent variable.

m= constant rate of change and c= initial value of function.

Let x = Number of hours after the candle was lit.

Put m=  -1.6 , x= 3 and f(x)= 8.7 , we get

8.7=-1.6(3)+c\\\\ 8.7= -4.8+c\\\\ c=8.7+4.8=13.5

Hence, the length of the candle was 13.5 inches before it was lit.

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4 years ago
Compare and contrast similar and congruent figures
NeTakaya

Answer: Congruent means being exactly the same. When two line segments have the same length, they are congruent. When two figures have the same shape and size, they are congruent. ... Similar means that the figures have the same shape, but not the same

Step-by-step explanation:

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3 years ago
If (-9,2) is on the graph of F(x), which point must be on the graph of the inverse function F^-1(x)
Paha777 [63]

Answer:

On the other equation, there would need to be the point (2, -9)

Step-by-step explanation:

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6 0
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3 years ago
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