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DerKrebs [107]
2 years ago
5

A fish tank that holds 80 gallons of water is 55% full. How many gallons are in the tank now? How many more gallons are needed t

o fill the tank?
Mathematics
1 answer:
stich3 [128]2 years ago
3 0

Answer:

44 gallons of water.

Step-by-step explanation:

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Subtract 5x^2 – 2x – 5 from – 2x^2<br> - 5x - 7
user100 [1]

Answer:

-7x^{2} -3x-2

Step-by-step explanation:

(-2x^2-5x-7) - (5x^2-2x-5)\\\\-2x^2 - 5x^2  = -7 x^2\\-5x - -2x = -3x\\-7 - -5 = -2 \\Result: -7x^2-3x-2

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3 years ago
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A competition to catch the most rainbow trout on Lake Rainbow pitched the men against the ladies. 16 men and 12 women participat
Valentin [98]

The probability that a participant successfully catches 3 rainbow trout, given that the participant was a woman is 0.0042.

P(woman) = 12/28

= 3/7

P(men) = 16/28

= 4/7

P(3 trouts) = P(3 trout | women)*P(woman) + P(3 trout | men)*P(man)

= P(3 trout | women)*(3/7) + (15C3 * (0.09^3)*(1-0.09)^(15*3))*(4/7)

= P(3 trout | women)*(3/7) + (0.00476)*(4/7)

P(woman | 3 trout) = P(3 trout | women)*P(woman) / P(3 trouts)

{P(3 trout | women) = p}

p*(3/7) / (p*(3/7) + (0.00476)*(4/7)) = 0.40

p*(3/7)/0.40 = (p*(3/7) + (0.00476)*(4/7))

p*((3/7)/0.40 - (3/7)) = (0.00476)*(4/7)

p = [(0.00476)*(4/7)] / [((3/7)/0.40 - (3/7))]

= 0.0042

Learn more about probability here brainly.com/question/24756209

#SPJ4

7 0
2 years ago
Identify the center of the circle whose equation is<br> (x - 2)2 + (y + 8)2 = 16.
qwelly [4]
I believe the answer to your question would be x = -y + 2
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Quadrilateral PAID is a rectangle whose diagonals have the endpoints P(-3, -2)I(4, -7) and A(4, -2)D(-3, -7). Find the diagonals
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Step-by-step explanation:

step 1 find thd equation of line PI

step 2 find the equation of line AD

step 3 solve the two equations of the 2 lines

step 4 the valued of x and y obtained from step 3are yhe coordinates of the intetcept

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2 years ago
Which of the following is the balance for a single $2,635 deposit in an account with an APR of 2.79% that compounds interest mon
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I believe the answer is $83,190,062.78
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