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3 years ago

Please help me, i really need help

Mathematics

2 answers:

Mashcka [7]3 years ago

4 0

Answer:

Step-by-step explanation:

valentina_108 [34]3 years ago

4 0

In miles it is 1.2 and in hours for the first one 1 hour and 4 hours ratio 1:2,1:5.1:9:2:3

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Determine whether the ffunction X/(x^2-1) is odd even or neither

djyliett [7]

equation is:

$f(x) = \frac{x}{ {x}^{2} - 1 }$

so if its even f(-x) should be equal to f(x)

that means

$f( - x) = \frac{ - x}{ {( - x)}^{2} - 1} \\ \\ f( - x) = - \frac{ x}{ {x}^{2} - 1}$

so f(x) is not equal to f(-x) so its not even

If its odd than f(-x) should be equal to -f(x)

$- f(x) = - ( \frac{ x}{ { x}^{2} - 1 } ) \\ - f(x) = - \frac{ x}{ {x}^{2} - 1 }$

so as we can see f(-x)= - f(x)

so the function is odd

Ans:function is odd and not even

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3 years ago

1. Two dice are thrown at the same time . What is the probability that the sum will be 7 or 11 ?

netineya [11]

Answer:

1. 0.2222222

2. .6667

Step-by-step explanation:

for question 1

there can only be 36 outcomes so you find out how many time you could get 7and2 which is 8 from so u write 8.36=.2222

for question 2

divide the outcome by the total out comes example(there are 6 red balls and 4 white out of 15 so you do 10/15=.6667)

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What is the value of y in the equation 5x + 2y = 20, when x = 0.3?

garik1379 [7]

Y=9.25 because 5x0.3=1.5 you move constents to the right hand side and it becomes -1.5 then you do the rest and the answers is 9.25

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luda_lava [24]

Answer:

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ipn [44]

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So, you have a vertical asymptote where

$x+3=0 \iff x=-3$

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3 years ago