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1 year ago

6

Write the equation of the line that passes through the points (-2,9) and (2,6). Put your answer in fully simplified point-slope

form, unless it is a vertical or horizontal line.

1 answer:

maw [93]1 year ago

8 0

Answer:

4y = -3x +30

Firstly you have to look for the gradient or slope using the points given in the question.

Then substitute the gradient (m) into y= mx+ c

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This soda can is going to be made from aluminum. How many square centimeters of aluminum are needed if the radius r = 3.5 cm and

kari74 [83]

208.81 square centimeters of aluminium are needed

<em><u>Solution:</u></em>

Given that,

Radius = 3.5 cm

Height = 6 cm

We have to find the square centimeters of aluminum needed

So we have to find the surface area of cylinder

<em><u>The surface area of cylinder is given by formula:</u></em>

$A = 2 \pi r(h+r)$

Where "r" is the radius and "h" is the height of cylinder

<em><u>Substituting the values we get,</u></em>

$A = 2 \times 3.14 \times 3.5 \times (6+3.5)\\\\A = 21.98 \times 9.5\\\\A = 208.81$

Thus 208.81 square centimeters of aluminium are needed

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