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2 years ago

-2.24224222422224222224 rational or irrational

1 answer:

5 0

Rational. An irrational number is a number that cannot be turned into a fraction, and do not repeat. Therefore, your answer is Rational.

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Plzzzz someone help me 30 points

VARVARA [1.3K]

Um idk the answer but I’m sure your friends or teachers can help you?

3 0

3 years ago

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What is the solution to the rational expression x/2x+1 +1/4 = 2/2x+1

sasho [114]

Answer:

$x=\frac{2+\sqrt{2} }{2} ,\frac{2-\sqrt{2} }{2}$

$x=1.70710678,0.29289321$

I provided the exact form and decimal form!

Step-by-step explanation: hope this helps please mark brainliest!

7 0

3 years ago

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Find f(x) and g(x) so the function can be expressed as y = f(g(x)). (1 point)

Alla [95]

Given y = 7/x² + 10

Let,

y = f(x)

f(x) = 7/x² + 10

And,

g(x) = x²

Hence, f(g(x))

Reason is;
You have to rewrite f(x) so that it can fit in g(x) into the equation

f(x) = 7/g(x) + 10

3 0

3 years ago

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There are three motors available to repair Ralph’s vacuum cleaner. Motor #1 has a 65% chance of breaking by the end of the week.

Orlov [11]

Answer:

0.619

Step-by-step explanation:

from the question we have the following data:

probability of motor 1 breaking = 65% = 0.65

probability of motor 2 breaking = 35% = 0.35

probability of motor 3 breaking = 5% = 0.05

since we have 3 motors the probability of any of them breaking down is = $\frac{1}{3}$

but what the question requires from us is the conditional probability of the first one being installed

we have to solve this questions using bayes theorem

such that:

$\frac{0.65*\frac{1}{3} }{0.65*\frac{1}{3}+0.35*\frac{1}{3}+0.05*\frac{1}{3} }$

= $\frac{0.2167}{0.2167+0.1167+0.0167}$

= $\frac{0.2167}{0.3501}$

= 0.618966

approximately 0.619

therefore the conditional probability ralph installed the first motor is 0.619

8 0

3 years ago

What is 549 rounded to the nearest hundred

alukav5142 [94]

Answer:

550

Step-by-step explanation:

8 0

3 years ago

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