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Maurinko [17]
4 years ago
8

1.) Which functions are linear?

Mathematics
1 answer:
Harman [31]4 years ago
6 0
1) linear  <span>III. y=2x+1
2) x-int, </span><span>y=3x+5, y=0, 0=3x+5, 3x=-5, x=-5/3
</span><span>         B.) (-5/3,0)
3)
</span><span>maybe question was  : What is not a function?
I. x^2+y^2=1 not function
II. y=x^2   function
III. y=4x-10 function
IV. 1/2y=3x function</span>
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Read 2 more answers
Wendy can wash a car twice as fast as Jason. When they work together, Wendy and Jason can wash a large van in 2 hours. How many
Ugo [173]
X= number of hours would it take Jason to wash the van by himself.
2x=number of hours would it take Wendy to wash the van by herserlf.

<span>we calcaulate the fraction of  work by Jason during one hour </span>

x hours-----------------------------1 work
1 hour----------------------   fraction of work during one hour.

fraction of work during one hour=(1 hour * 1work) / x hours=1/x


we calculate the fraction of work by Wendy during one hour.
2x hours-----------------------------1 work
1 hour----------------------   fraction of work during one hour.

fraction of work during one hour=(1 hour * 1work) / 2x hours=1/2x

We can suggest this equation:
2 hours(fraction of work by Jason during one hour + fraction of work by Wendy during one hour)=1 work

2(1/x + 1/2x)=1

least common multiple=2x
2(2+1)=2x
2(3)=2x
6=2x
x=6/2
x=3

answer: 3 hours would ti take Jason to wash the van by himself.


5 0
4 years ago
Please help I don't understand!
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Answer:

AB

Step-by-step explanation:

I believe because on the other side it is AE over ED so I just repeated the pattern.

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