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Yuliya22 [10]
3 years ago
5

An airplane flies at a constant speed of 800 MPH. how far can it travel in 3 1/2 hours

Mathematics
2 answers:
RSB [31]3 years ago
8 0
2,800 Miles


Its Miles Per Hour (MPH) so there is three whole hours
(800 x 3)

And
Volgvan3 years ago
6 0

2800

The math behind it:

800(Mph) x 3(Hours) = 2400(Miles traveled in 3hrs)

800(Mph) x 1/2(or .50hrs) = 400(Miles traveled in 1/2 an hr)

2400(Miles traveled in 3hrs) + 400(Miles traveled in 1/2 an hr) = 2800(Miles traveled in 3 and 1/2hrs)

Hope this helps! :) Have a nice day!


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Part 2) False

Step-by-step explanation:

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substitute in the formula of distance

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The equation of the circle is equal to

(x+3)^{2} +(y-4)^{2}=(\sqrt{13}){2}

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Verify if the point (10,4) is on the circle

we know that

If a ordered pair is on the circle, then the ordered pair must satisfy the equation of the circle

For x=10,y=4

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(10+3)^{2} +(4-4)^{2}=13

(13)^{2} +(0)^{2}=13

169=13 -----> is not true

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The point is not on the circle

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Part 2) given the center of the circle (1,3) and a point on the circle (2,6), (11,5) is on the circle.

true or false

substitute the center of the circle in the equation in standard form

(x-1)^{2} +(y-3)^{2}=r^{2}

Find the distance (radius) between the center (1,3) and (2,6)

substitute in the formula of distance

r=\sqrt{(6-3)^{2}+(2-1)^{2}}

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The equation of the circle is equal to

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we know that

If a ordered pair is on the circle, then the ordered pair must satisfy the equation of the circle

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The point is not on the circle

The statement is false

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