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umka21 [38]
3 years ago
9

Write an equation for the following scenario:

Mathematics
2 answers:
cluponka [151]3 years ago
6 0
The awnser is 15w+20
romanna [79]3 years ago
4 0
The answer is: 15+20
Explication:
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siniylev [52]
The absolute value of rational number 3.7 is 3.7
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What is the domain of the function in the graph above?​
alexdok [17]

Answer: [-1,infinity)

Step-by-step explanation:

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Find a b if a = 4/3 and b = 4/5
Wewaii [24]

Answer: b is 5/4

Step-by-step explanation:

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2 years ago
Nu is designing a rectangular sandbox.The bottomm is 16 square feet.Which dimensions require the least amount of materail for th
zzz [600]

Given Information:  

Area of rectangle = 16 square feet

Required Information:  

Least amount of material = ?

Answer:

x = 4 ft and y = 4 ft

Step-by-step explanation:

We know that a rectangle has area = xy and perimeter = 2x + 2y

We want to use least amount of material to design the sandbox which means we want to minimize the perimeter which can be done by taking the derivative of perimeter and then setting it equal to 0.

So we have

xy = 16  

y = 16/x

p = 2x + 2y

put the value of y into the equation of perimeter

p = 2x + 2(16/x)

p = 2x + 32/x

Take derivative with respect to x

d/dt (2x + 32/x)

2 - 32/x²

set the derivative equal to zero to minimize the perimeter

2 - 32/x² = 0

32/x² = 2

x² = 32/2

x² = 16

x = \sqrt{16} = 4 ft

put the value of x into equation xy = 16

(4)y = 16

y = 16/4

y = 4 ft

So the dimensions are x = 4 ft and y = 4 ft in order to use least amount of material.

Verification:

xy = 16

4*4 = 16

16 = 16 (satisfied)

7 0
3 years ago
Help me plessssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss
Digiron [165]

Answer:

okay

Step-by-step explanation:

if you want someone to help you you should probably put a question on here lol

3 0
3 years ago
Read 2 more answers
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