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2 years ago

8

I'm confused I need help anyone

1 answer:

noname [10]2 years ago

6 0

57-----------------------

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You can look up cymath.com it will work the problem out for you and show you the steps.

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3 years ago

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The expression 3(x-9) is equivalent to <br><br> 3(x)+9<br> 3(x)+3(9)<br> 3(x)-9<br> 3(x)-3(9)

ollegr [7]

3(x-9)

when you distribute the equation you get

3(x)-3(9) which is the last answer

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What is the slope of the linear equation: y=-5x+6

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2 years ago

15 is 9 more than j.

Zina [86]

Answer:

j = 6

Step-by-step explanation:

"Is" typically means equals. "More than" means it is added to.

So 15 equals j with 9 added to it.

15 = 9 + j

Now solve for j by subtracting 9 from both sides.

15 - 9 = j

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3 years ago

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How do the lateral and total surface area of a cylinder differ ?

vichka [17]

The lateral surface area of a cylinder is just the long side connecting the bases, whereas the total surface area includes both the lateral surface area and area of the two circular bases.

$SA_l_a_t=2 \pi rh$ (Imagine a rectangle with the circumfrence of the base as one side and the height as the other being folded around)

$SA = 2 \pi rh + 2 \pi r^2$ (Plus the area of two circles)

The literal difference between surface areas would be the two bases 2πr² if you need that.

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2 years ago