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charle [14.2K]
3 years ago
15

If (x+12y)/x=19 find (144x^2 +24xy + y^2) /y^2

Mathematics
1 answer:
choli [55]3 years ago
7 0

Answer:

81

Step-by-step explanation:

<u>Given:</u>

  • (x+12y)/x=19

<u>Simplifying:</u>

  • x+ 12y = 19x  
  • 12y=18x
  • x/y = 2/3

<u>Finding the value of: </u>

  • (144x^2 +24xy + y^2) /y^2 =
  • 144 (x/y)^2 + 24 (x/y) + 1 =

<u>Substituting x/y with 2/3:</u>

  • 144 (2/3)^2 + 24 (2/3) + 1 =
  • 144 (4/9) + 16 + 1 =
  • 64 + 16 + 1 =
  • 81

<u>Answer is </u>81

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after selling three fifth of its books, a bookstore had 880 textbooks left. how many books were in the bookstore initially
sleet_krkn [62]

Answer:

yours answer is 1760

Step-by-step explanation:

he sold 3/5 of its books , that means 2/5 is left and 2/5 is 880

so 2/5=880  


880/5 = 176

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How can a veto be overridden?
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Answer:

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Step-by-step explanation:

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3 years ago
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Steve bought 7 boxes of pencils. Each Box contained 9 pencils. He wants to give each of his 6
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Answer:

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8 0
2 years ago
At a certain pizza parlor, % of the customers order a pizza containing onions, % of the customer's order a pizza containing saus
wel

Answer:

At a certain pizza parlor,36 % of the customers order a pizza containing onions,35 % of the customers order a pizza containing sausage, and 66% order a pizza containing onions or sausage (or both). Find the probability that a customer chosen at random will order a pizza containing both onions and sausage.

Step-by-step explanation:

Hello!

You have the following possible pizza orders:

Onion ⇒ P(on)= 0.36

Sausage ⇒ P(sa)= 0.35

Onions and Sausages ⇒ P(on∪sa)= 0.66

The events "onion" and "sausage" are not mutually exclusive, since you can order a pizza with both toppings.

If two events are not mutually exclusive, you know that:

P(A∪B)= P(A)+P(B)-P(A∩B)

Using the given information you can use that property to calculate the probability of a customer ordering a pizza with onions and sausage:

P(on∪sa)= P(on)+P(sa)-P(on∩sa)

P(on∪sa)+P(on∩sa)= P(on)+P(sa)

P(on∩sa)= P(on)+P(sa)-P(on∪sa)

P(on∩sa)= 0.36+0.35-0.66= 0.05

I hope it helps!

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Hello!

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