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Agata [3.3K]
3 years ago
6

help? My class is doing this,It's homework, Don't understand it the 2nd one is kinda the same here's the question for both of th

em: 1.Perry is growing Maple saplings. after 3 weeks, he measured the saplings to the nearest quarter inch and Drew this line plot with the data. use a line plot to answer the questions about the saplings. 2. as a volunteer at the animal shelter Uma weighed all the puppies she made a list of the weights as she weighed them. the puppies weights were three and three fourths pounds for 1/4 pounds three and a half pounds three four three and three fourths pounds 3 1/4 pounds 3 3/4 pounds three and a half pounds and 4 1/4 pounds and three and three fourths pounds.

Mathematics
1 answer:
NeTakaya3 years ago
3 0
1.5 that is the correct answer I know it is because I did this the same thing and got it right.
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This was given to me during a summative test and the teacher didn't bother giving me the correction. I just cannot figure it out
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  • Base be y

ATQ

\\ \sf\longmapsto xy=6050\dots 1

\\ \sf\longmapsto 2(x+y)=220\implies x+y=110\dots 2

Now

\\ \sf\longmapsto (x+y)^2=x^2+y^2+2xy

\\ \sf\longmapsto 110^2-2(6050)=x^2+y^2

\\ \sf\longmapsto 12100-12100=x^2+y^2

\\ \sf\longmapsto x^2+y^2=0\dots(3)

From all equations

\\ \sf\longmapsto (x-y)^2=x^2+y^2-2xy

\\ \sf\longmapsto (x-y)^2=0-2(6050)

\\ \sf\longmapsto (x-y)^2=-12100

\\ \sf\longmapsto (x-y)=110\dots(4)

Now

Adding 3 and 4

\\ \sf\longmapsto 2x=220

\\ \sf\longmapsto x=110m

One side won't be covered hence

  • y=2(110)=220m
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3 years ago
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