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Basile [38]
2 years ago
5

Which is better to by 24 ounce for $3.89 or a 36 ounce for $4.89

Mathematics
1 answer:
sammy [17]2 years ago
4 0
E 24 ounce because you pay less money for the 24 ounce and less ounces to but
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Find the value of X and y .If order pair (X,y)=(6,7)​
Darina [25.2K]

Answer:

x=6,y=7

Step-by-step explanation:

In a coordinate pair it is assumed that the first number is x, and the 2nd is y.

7 0
3 years ago
(Multi Step Algebra)<br>15x+12=19x-24<br>what is the answer? help me please ​
solmaris [256]

9

Step-by-step explanation:

15x+12=19x-24

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x=9

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5 0
2 years ago
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Nu is designing a rectangular sandbox.The bottomm is 16 square feet.Which dimensions require the least amount of materail for th
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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

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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
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2 years ago
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Which of the following is the correct answer when you factor: −2x4+10x5+2x6?
qaws [65]

Answer:

54

Step-by-step explanation:

−2x4+10x5+2x6

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