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mixer [17]
2 years ago
5

How many units does x equal???

Mathematics
2 answers:
Kobotan [32]2 years ago
8 0

3(3+15) = 2(2+x)

54 = 2x + 4

2x = 50

x = 25


answer

x = 25


Alex73 [517]2 years ago
5 0

There is a theorem in Geometry that states that the product of one secant segment and its exterior segment equals the product of the other secant segment (in the same circle) and its exterior segment. In other words, LN x MN would half to equal PN x ON. With this equation in mind, all we have to do is substitute the lengths of the segments listed above.


(LN)(MN) = (PN)(ON)

(15 + 3)(3) = (x + 2)(2)

(18)(3) = (x + 2)(2)

54 = 2x + 4

50 = 2x

25 = x


Final Answer: x = 25

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Bruce has 150$ and saves 20$ each week. Katie has 200$ and saves 10$ each week. After how many weeks will they have the same amo
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4 0
3 years ago
My question is
Eduardwww [97]
So 2 gallons every 5 minutes
2/5= .4
so .4 a minute
and you already have 5 gallons in so those need to be added
m=minutes
y=0.4m + 5 will be what you want to find out if you are looking to find out how much will be there in a certain time
for 50 minutes you will have
y=0.4(50) +5 
20+5
25 gallons
HOWEVER, the equation has to be changed if you want to tell how long you have to wait for it to fill.
m=2.5(g-5)
m=minutes
g= gallons
you subtract 5 because they are already there
you multiply by 2.5 because it fills at a rate of 1 gallon every 2.5 minutes.
m=2.5(1500-5)
for the sake of it being easier i will do the -5 separately
2.5(1500 = 3750
2.5(-5= -12.5
3750-12.5
3737.5 minutes to fill the pool.
3720/60 = 62
17.5/60 = .292
62.292 hours to fill the pool.
p.s. you have a really slow hose.
Its good you didn't wait for it to fill, you would have died from lack of water before then if you just sat and waited. 

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3 0
3 years ago
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