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Mars2501 [29]
3 years ago
9

Do you agree? explain why or why not

Mathematics
2 answers:
sertanlavr [38]3 years ago
7 0

Answer:

I do not agree with the student because there is no real solution.

Solving the equation only gives possible solutions, but you must check them in the original equation.

Checking the solution in the original equation shows that 4 is an extraneous solution.

castortr0y [4]3 years ago
3 0
No. when plugging 4 into the equation, 0 is not the final result. instead it is 6. 

square root of 2(4)+1 = square root of 9 = 3 

3+3 = 6
and 6 is not 0 so x cannot = 4

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A town with a population of 600 need a team of 10 firefighters. How many firefighters are needed for a town with 1500 people?
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Answer:

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5 0
4 years ago
Chris needs to make a 500 L of a 35% acidic solution. He has only two of the acidic solutions available, a 25% solution and a 50
DaniilM [7]
Yes, very fun, not


ok
one way is table or

solutions amount x and y
x+y=500
x=25%
y=50%
0.25x+0.5y=0.35(500)

we have
x+y=500
0.25x+0.5y=0.35(500)
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solve

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divide everybody by 25
x+2y=700

now we have
x+y=500
x+2y=700

multiply first equation by -1 and add to second equaiton

-x-y=-500
<u>x+2y=700 +</u>
0x+1y=200

y=200
sub
x+y=500
x+200=500
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4 0
3 years ago
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#teamtrees #WAP (Water And Plant)

3 0
3 years ago
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