3 years ago

Find the greatest possible error for each measurement. 12 1/4 inches please help and FAST

Mathematics

1 answer:

Anna [14]3 years ago

5 0

12 should be 1 as in 1 foot. 1' 1/4"

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grin007 [14]

Answer:

$(x+1)^2+(y+4)^2=(6\sqrt{2})^2$

Step-by-step explanation:

The length of the diameter $(d)$ will be the distance between $(5,-10)\ and\ (-7,2).$

$d=\sqrt{(2-(-10))^2+(-7-5)^2}=\sqrt{(12)^2+(-12)^2}=\sqrt{144+144}=\sqrt{288}\\\\d=12\sqrt{2}$

Radius:

$radius(r)=\frac{diameter}{2}=\frac{12\sqrt{2}}{2}=6\sqrt{2}$

Centre:

Let $(a,b)$ be centre of the circle.

Centre will be the mid point of end points of diameter.

$a=\frac{5-7}{2}=\frac{-2}{2}=-1\\\\b=\frac{-10+2}{2}=\frac{-8}{2}=-4\\\\Centre=(-1,-4)$

Equation of circle:

If $(a,b)$ be centre and $r$ be the radius.

Equation of circle: $(x-a)^2+(y-b)^2=r^2$

Here $(a,b)=(-1,-4)\ and\ r=6\sqrt{2}$

$(x-(-1))^2+(y-(4))^2=(6\sqrt{2})^2\\(x+1)^2+(y+4)^2=(6\sqrt{2})^2$

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Gas mileage is the number of miles you can drive on a gallon of gasoline. A test of a new car results in 440 miles on 20 gallons

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Answer:

Step-by-step explanation:

20 : 440 = 60:x

Product of means = 440*60

Product of extremes = 20*x

20*x = 440*60

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