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vagabundo [1.1K]
4 years ago
5

Simplify this equation into the lowest fraction

Mathematics
1 answer:
snow_tiger [21]4 years ago
6 0
(1/x.y  - 1/y²) ÷ (1/x².y - 1/x.y²) 

(1 - x.y)/x.y   ÷ (x - y)/x.y

[(1 - x.y)/x.y].[x.y/(x - y)]

(1 - x.y)/(x- y)

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Answer:

36

Step-by-step explanation:

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Step-by-step explanation:

https://www.ipracticemath.com/learn/algebra/algebra_methods_for_solution

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26) In triangle ABC, if AB-BC and B
MariettaO [177]

Answer:

55degrees

Step-by-step explanation:

Let the other angles of the triangle are x, x degrees. Since the sum of angles in a  triangle is 180degrees, hence;

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3 years ago
You flip a coin and then roll a 6-sided number cube (a die).
expeople1 [14]

Answer:

a)  No, it does not matter whether you roll the die or flip the coin first, as these two events are <u>independent</u> of each other, which means they do not affect each other.

b) Yes.

  • Let event 1 be flipping a coin and event 2 be rolling a die.
  • Let event 1 be rolling a die and event 2 be flipping a coin.

The likelihood that any outcome will occur will not change, as the events are independent.

c) see attached

d)   12 outcomes  (H = head, T = tail, numbers represent the value of the die)

H 1           T 1

H 2          T 2

H 3          T 3

H 4          T 4

H 5          T 5

H 6          T 6

e)  

\sf Probability\:of\:an\:event\:occurring = \dfrac{Number\:of\:ways\:it\:can\:occur}{Total\:number\:of\:possible\:outcomes}

\implies \sf P(even)=\dfrac{1}{6}+\dfrac{1}{6}+\dfrac{1}{6}=\dfrac{3}{6}=\dfrac{1}{2}

\implies \sf P(head)=\dfrac{1}{2}

\implies \sf P(even)\:and\:P(head)=\dfrac{1}{2} \times \dfrac{1}{2}=\dfrac{1}{4}

6 0
2 years ago
HELP! the student council at woodlands middle school is planning a field trip. they polled randomly selected teachers and studen
gregori [183]

Answer:

c

Step-by-step explanation:

because on the chart is says 19% under burgers for teachers.

Tell me if it is right.

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