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Vladimir79 [104]
2 years ago
11

Hey! Please help me ASAP

Mathematics
1 answer:
fredd [130]2 years ago
6 0

Answer:

-d+3.5≥4

Step-by-step explanation:

Just ask.

Hope this helps! :)

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If you can buy 1⁄2 of a gallon of milk for 3 dollars, how many gallons can you buy for 5 dollars? Write your answer as a fractio
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If half a gallon of milk is 3 dollars then you should be able to buy one gallon for 6 dollars. Therefore 5 dollars can buy 5/6 gallons of milk.
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Is (2,3) a solution of the system
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Step-by-step explanation:

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Graph the solution of the inequality –3(x + 1) ≤ 6 on the number line.
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Hershey Foods makes a batch of chocolate with 75 lbs. of cocoa beans. If we know what that the ratio of cocoa beans to milk is 5
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8 0
3 years ago
Find an equation of the sphere which contains points A(1, 3, 2) and B(4, 3, 7) and the distance between A and B is equal to the
Marina86 [1]

Answer:

The answer is 8.5=(x-2.5)^2+(y-3)^2+(z-4.5)^2

Step-by-step explanation:

First we need to find diameter of the sphere. The distance point A and point B is:

d=\sqrt{(4-1)^2+(3-3)^2+(7-2)^2} \\d=\sqrt{3^2+0^2+5^2} \\d=\sqrt{34} \\d=5.83

d/2=r=2.92

radius of the sphere is 2.92 units

and the center of the sphere is:

C=((4+1)/2,(3+3)/2,(7+2)/2)

C=(2.5,3,4.5)

We can write the equation of the sphere as:

r^2=(x-2.5)^2+(y-3)^2+(z-4.5)^2\\8.5=(x-2.5)^2+(y-3)^2+(z-4.5)^2

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