3 years ago

PLS HELP I attached a pic

Mathematics

1 answer:

Anastasy [175]3 years ago

8 0

Answer:

Step-by-step explanation:

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yan [13]

Answer: k=54/79

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

Step 2: Subtract 16/3k from both sides.

Step 3: Subtract 5/2 from both sides.

Step 4: Multiply both sides by 12/(-79).

See attachment for further explanation

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3 years ago

Find an equation of the circle whose diameter has endpoints (1,-4) and (-3,6).

MAVERICK [17]

Answer:

$(x+1)^2+(y-1)^2=58$

Step-by-step explanation:

To find the equation of this circle, we must know the center and the radius.

We can find the radius by dividing the value of the distance formula by 2 (since $r=\frac{d}{2}$ ):

$d=\sqrt{(-3-1)^2+(6-(-4))^2}=\sqrt{116}\\r=d/2=\frac{\sqrt{116}}{2}$

We can then find the center of the circle by averaging the coordinates:

$\frac{1+(-3)}{2}=-1$

$\frac{-4+6}{2}=1$

Then, we substitute these values into the equation of a circle:

$(x-(-1))^2+(y-1)^2=(\frac{\sqrt{116}}{2})^2\\(x+1)^2+(y-1)^2=58$

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4 years ago

Donald finds at his school that basketball players are also field hockey players so he thinks the heights of the players will be

Assoli18 [71]

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Step-by-step explanation:

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3 years ago

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Vsevolod [243]

Answer:

A = 76

Step-by-step explanation:

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At the nearest wholesale 3 bags of cereal cost 28.75 at this rate how much would 5 bags of cereal cost

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5 bags will cost $47.09

Step-by-step explanation:

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