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leva [86]
3 years ago
8

benjamin builds a fence in the shape of a triangle. each side of the fence is the same length. if the perimeter is 36 feet, how

long is each side of the fence.
Mathematics
1 answer:
-BARSIC- [3]3 years ago
5 0
Each side is twelve feet long. take the perimeter and divide by three to get your answer.
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Help with this task it's confusing can u explain how you got the answer
Andru [333]
Oh my goodness !  You were doing such an absolutely beautiful job,
as far as you went, but then you ran into some rough road and quit.

You've got the correct expressions for the ages of the three people:

-- Will . . . w
-- Ben . . . w+3
-- Jan . . . 2(w+3)
You slipped up when you expanded Jan's age:  2(w+3) = <u>2w + 6</u> ,
and it was all down hill from there.

Let's do it again, together:

-- Will . . . w
-- Ben . . . w + 3
-- Jan . . . 2w + 6

Total:  (w + w + 2w) + (3 + 6) = 4w + 9

So the equation is:    <em><u>4w + 9 = 41</u></em>
Now you're supposed to solve it.

Subtract 9 from each side:   4w  =  32

Divide each side by 4:        <u>w = 8</u>

-- Will = w . . . . . 8 y.o.
-- Ben = w+3 . . . 11 y.o.
-- Jan = 2(w+3) . . 22 y.o.

When will Jan be twice as old as Will ?
That'll happen in 'x' years.
At that time, Will will be (8+x) and Jan will be (22+x),
and her age will be double Will's age.

22 + x  =  2(8 + x)

22 + x  =  16 + 2x

Subtract 'x' from each side:    22  =  16 + x

Subtract  16  from each side:  <em>  6 = x</em>

<u>Check:</u>

In 6 years, Jan will be (22+6) = 28,
and Will will be (8+6) = 14 .

28 = twice as old as 14.      yay!

Can I make a little suggestion ?
I'm going to make it anyway:

Your problem was neatness.
You were doing great work in that big open space on the sheet, but it
started to get ragged.  When you tried to look back to see if you made
a mistake, you couldn't find it in the mess.
This is not an easy problem, but you definitely know your stuff. 
I think if you keep it a little neater, you're going to sparkle !
7 0
3 years ago
What is the geometric mean of 2 and 135
lys-0071 [83]

\bf \stackrel{\textit{geometric mean of 2 and 135}}{\cfrac{2}{x}=\cfrac{x}{135}\implies 270 = x^2}\implies \sqrt{270}=x

8 0
3 years ago
Can someone help me please
docker41 [41]
0 there are no odd number 1-15
5 0
3 years ago
Read 2 more answers
1. if 50 people pay $50 a month for their cellphone bill how much money is it?
Murljashka [212]
1) 50*50, our 2500
2) 1500
3)1500
4) 900

just multiply t the number of people by the amount each pays
5 0
3 years ago
Sales increased by only 12% last month. If the sales from the previous month were $152,850, what were last months sales
Tamiku [17]

Answer:

\$171,192

Step-by-step explanation:

Remember that

100\%+12\%=112\%=112/100=1.12

we know that

The sales from the previous month were $152,850

This amount represent the 100%

so

Find out what were last months sales, multiply the sales from the previous month by the factor 1.12

\$152,850(1.12)=\$171,192

3 0
3 years ago
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