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Tomtit [17]
3 years ago
6

What is the lcd of the fractions 1/3 and 11/15

Mathematics
1 answer:
suter [353]3 years ago
4 0
First look to see if the largest denominator is divisible by the smaller denominator.  In this case it is.  So the lcd is the largest denominator 15.
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A fence must be built to enclose a rectangular area of ft. Fencing material costs per foot for the two sides facing north and so
avanturin [10]

The complete question is

A fence must be built to enclose a rectangular area of 5000ft^2. Fencing material costs $1 per foot for the two sides facing north and south and 2$ per foot for the other two sides. Find the cost of the least expensive fence.

Answer:

Total cost will be $400

Step-by-step explanation:

Let x = be other side

     y =  north and  south side  

Area = x*y = 5000

Perimeter of the rectangle  = 2x + 2y

cost of fencing = 2(1)*5000/x + 2*2x

                         = 10000/x + 4x

 now to get the least we will take the derivative of this

C'(x) = 10000(-1/x^2)  + 4 =0

        x^2 = 2500

            x= 50ft cost = 2*$2*50 = $200

             y= 100ft  cost = 2*$1*100 = $200

Total cost = $400

3 0
3 years ago
PLZ HELP FAST plz...<br>1. Simplify. 6/√8<br> 2. Simplify. 5/√11
erik [133]

6/ sqrt(8)=

6/sqrt(8) * sqrt(8)/sqrt(8)

6sqrt(8)/8

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3/4 * sqrt(4*2)

3/4 * sqrt(4) * sqrt(2)

3/4 *2*sqrt(2)

3/2 *sqrt(2)


5/sqrt(11) *sqrt(11)/sqrt(11)

5sqrt(11)/11

5/11 *sqrt(11)

8 0
3 years ago
Work out the height of the triangle with base, b = 2.4mm and area, A = 34.68mm squared​
nikdorinn [45]
2.4*x/2=34.68
2.4*x=69.36
x=28.9
(x is the height)
7 0
3 years ago
Question 13: please help. I will give brainliest to correct answer.
Arada [10]

Answer:

Option 4

Step-by-step explanation:

Trying the first 2 pairs and confirm  the Last Option

y=5*2^x

5 0
3 years ago
Please answer it would rly help me out
miss Akunina [59]
I think the answers would be
four outcomes (bc four colors)
and
a 36% chance of grabbing a blue marble (4blue/11total)
6 0
3 years ago
Read 2 more answers
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