Simplify.
Please give an explanation or step-by-step answer.

Answers

Answer 1

Answer: $(2y)/(y^2-9y+18)-(1)/(y-6)=\n(2y)/(y^2-3y-6y+18)-(1)/(y-6)=\n(2y)/(y(y-3)-6(y-3))-(1)/(y-6)=\n(2y)/((y-6)(y-3))-(1)/(y-6)=\n(2y)/((y-6)(y-3))-(y-3)/((y-6)(y-3))=\n(2y-y+3)/((y-6)(y-3))=\n(y+3)/((y-6)(y-3))$

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Could you guys please help me with these questions I give thanks

Answers

Triangular Prism:

$\sf~V=(1)/(2)*~l*~w*~h$

$\sf~V=(1)/(2)*7*3*3$

$\sf~V=3.5*3*3$

$\sf~V=10.5*3$

$\sf~V=31.5$

Break the Trapezoidal Prism into a rectangular prism with side measurements of 12, 18, and 6 and into a triangular prism with measurements of 6, 16, and 12.

Rectangular Prism:

$\sf~V=lwh$

$\sf~V=(12)(18)(6)$

Multiply all 3 numbers together:

$\sf~V=1296$

Now find the volume of the triangular prism:

$\sf~V=(1)/(2)lwh$

$\sf~V=(1)/(2)(6)(16)(12)$

Multiply all 4 numbers:

$\sf~V=576$

Add the two volumes together:

$\sf1296+576=1872$

Now we have to get rid of the area inside.

It's two rectangles both with lengths of 12 and widths of 6.

$\sf~A=lw$

$\sf~A=(12)(6)$

$\sf~A=72$

Multiply by 2 then subtract from the total volume we got:

$\sf~72*2 = 144$

Subtract it:

$\sf1872-144=1728$

1000 calls were sent but only 15% were not answered. how many calls were not answered?

Answers

We know that if only 15% not answered of 1000, so to get result we have to find 15% of 1000
15%=0.15
0.15*1000=150 - its the result

Final answer:

Out of 1000 calls, 15% were not answered. To find this as a number, we multiply 1000 by 0.15 (the decimal equivalent of 15%). This calculation gives us the result of 150 calls not answered.

Explanation:

The question asks about the number of calls that were unanswered out of 1000 calls being sent out. From the presented problem, it is clear that only 15% of the calls were unanswered. To find how many calls this 15% represents, we just need to calculate 15% of 1000:

To find 15% of a number, we multiply the number by 0.15 (the decimal equivalent of 15%).

So, 1000 * 0.15 = 150 calls.

Therefore, out of 1000 calls sent out, 150 of them were not answered.

Learn more about Percentage Calculation here:

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Hey, I do not want the answer but could someone please explain to me on HOW to find the area of this figure? I forget how to :P

Answers

In order to find the area of this figure, you will need to separate the individual figures and find their areas, then add the total for the entire area.

The square part should be easy, it's only base * height. In this case, the base is 6 and the height is 5. You don't want the answer so that's the farthest I'll go with that =)

Then, there are the triangles.
Right triangles are easy to find area of in that they are simply a rectangle split diagonally, so the area of a triangle is simply base * height over 2, and since the triangles are the same measure, the base would be half the base of the square, which is 3. The height is 2.

Don't forget that there are two triangles, though, so a shortcut in this problem would be to solve one triangle for base * height and then leave off the divide by two step, since there are two triangles that have the same area, and so you would end up just multiplying by 2 in the end, thereby cancelling out the divide by 2 step entirely.

Hope that helped! =)

Kelsey painted 1/4 of her bedroom in 3/7 of an hour at this rate how long would it take her to paint the entire room

Answers

It would take 1 hour 44 min to paint the entire room.

What is multiplication?

In mathematics, multiplication is a method of finding the product of two or more numbers. It is one of the basic arithmetic operations, that we use in everyday life.

Here, given that,

Kelsey painted 1/4 of her bedroom in 3/7 of an hour

To paint the entire room time taken

=3/7 x 4

= 12/7

= 1 5/7 hr.

Hence, It would take 1 hour 44 min to paint the entire room.

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MULTIPLY3/7 x 4= 12/7= 1 5/7 hr.1 hr 44 min to paint the entire roomhope this helpd

Write an algebraic expression for the phrase:six times a length w

Answers

Six times a length w means that we will repeat the w six times.

This can be expressed algebraically in two ways:
1- using addition:
six times a length w = w+w+w+w+w+w
2- using multiplication:
six times a length w = 6*w

How to write a story that would be represented by the ratio 1:4

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Once upon a time there was a surprise for a girl named Cassy ,her 4 friends ordered a pie because it was a surprise pie party. Only 1 out of the 4 got to eat the pie since they all wanted to play with the pie pinata. Hope this helped :)

Simplify.Please give an explanation or step-by-step answer.

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Final answer:

Explanation:

Learn more about Percentage Calculation here:

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What is multiplication?

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Simplify.
Please give an explanation or step-by-step answer.