6x−5y=15 x=y+3 What X = and what does Y= in this problems?

Mathematics

2 answers:

blsea [12.9K]3 years ago

4 0

Answer:

y = − 3 in this problem.

salantis [7]3 years ago

4 0

Answer:

X= (5y+15)/6 Y= x-3

Step-by-step explanation:

6x - 5y = 15

+5y +5y

--------------------

6x= 5y + 16

/6 /6 /6

= (5y+16)/6

~~~~~~~~~~~~~~~~~

x= y + 3

-3 -3

------------

x - 3 = y

Hope this helps!

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Does the following infinite series converge or diverge? 1/3+2/9+4/27+8/81+...

PilotLPTM [1.2K]

Note that A and D are ludicrous choices, so you can throw them away outright. (Any divergent series cannot have a sum, and any convergent series must have a sum.)

The sum is certainly convergent because it can be written as a geometric sum with common ratio between terms that is less than 1 in absolute value.

$S=\dfrac13+\dfrac29+\dfrac4{27}+\dfrac8{81}+\cdots$
$S=\dfrac13\left(1+\dfrac23+\dfrac{2^2}{3^2}+\dfrac{2^3}{3^3}+\cdots\right)$

We can then find the exact value of the sum:

$\dfrac23S=\dfrac13\left(\dfrac23+\dfrac{2^2}{3^2}+\dfrac{2^3}{3^3}+\dfrac{2^4}{3^4}+\cdots\right)$

$\impliesS-\dfrac23S=\dfrac13$
$\implies\dfrac13S=\dfrac13$
$\implies S=1$

So the answer is B.

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3 years ago

The number |x| is the distance between 0 and x. It can never equal a ____ number.

ololo11 [35]

Answer:

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Step-by-step explanation:

For example, |-5| = 55. This is because -5 is considered to be 5 units away from 0.

If this helps mark me brainliest please.

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3 years ago

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