3 years ago

Which of the following is a repeating decimal when converted to decimal form?

Mathematics

1 answer:

Agata [3.3K]3 years ago

7 0

I believe the answer is 1/3

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Please answer both questions and show all your work. Thank you!!! :)

nignag [31]

(1) let "r" denote number of rabbits, "c" number of chickens

Set up the equations:

$r + c = 1000\\4r + 2c = 3150\\\\-2r -2c = -2000\\4r + 2c = 3150\\\\2r = 1150\implies r = 575\implies c = 425$

Answer: There are 575 rabbits and 425 chickens

(2) m - number of Mike's stamps, a - number of Andrew's stamps.

Set up equations:

$m = 4a\\m-8 = 2(a+8)\\\\4a-8=2a + 16\\2a = 24\implies a = 12\implies m = 48\\$

Answer: Mike has 48 stamps. Andrew has 12 stamps.

4 0

3 years ago

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What is the value of x? (x + 40) (3x)" R 20 35 60 70

vfiekz [6]

Answer:70

Step-by-step explanation:

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3 years ago

Determine if the lines are parallel, perpendicular or neither. -2x + y = -4 and -19 - y = 1/2x

LekaFEV [45]

The lines are perpendicular because the slopes are negative reciprocals of eachother.

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3 years ago

If X is a binomial random variable associated with a binomial experiment with

Makovka662 [10]

For a binomial distribution over $n$ trials and with success probability $p$ , the mean $\mu$ and standard deviation $\sigma$ ar such that

$\begin{cases}\mu=np\\\sigma=\sqrt{np(1-p)}\end{cases}$

$6=\sqrt{np(1-p)}\implies np-np^2=36$
$54=np\implies54-54p=36\implies p=\dfrac13$
$54=\dfrac n3\implies n=162$

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3 years ago

What is the volume of a sphere with a diameter of 4.8 cm, rounded to the nearest

Ivanshal [37]

Answer:

V≈57.91cm³

Step-by-step explanation:

Think about this answer

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3 years ago