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professor190 [17]
3 years ago
12

What is the x-value of the solution for this system 2x+3y=45 x+y=10

Mathematics
1 answer:
statuscvo [17]3 years ago
4 0

Answer:

2

Step-by-step explanation:

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Express the perimeter of one side of the square using s
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s is the length and w is width which the equation is  2s+2w=P

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Beth is going to enclose a rectangular area in back of her house. the house wall will form one of the four sides of the fenced i
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The maximum possible area would have a length of 24 feet and width of 12 feet.

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more numbers and variables.

An independent variable is a variable that does not depend on other variables while a dependent variable is a variable that depends on other variables.

Let x represent the length and y represent the width, hence:

Since beth has 48 ft fencing and cover 3 sides, hence:

x + 2y = 48  

x = 48 - 2y     (1)

Also:

Area (A) = xy

A = (48 - 2y)y

A = 48y - 2y²

The maximum area is at A' = 0, hence:

A' = 48 - 4y

48 - 4y = 0

y = 12 feet

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The maximum possible area would have a length of 24 feet and width of 12 feet.

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7 0
1 year ago
Mia can purchase a 40-ounce jar of peanut Butter for $5.20 or a 15-ounce har for $2.70. How much does Mia save per ounce by usin
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What is the value of x if e3x+6=8
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Answer:

x = 1/3 ln(2)

Step-by-step explanation:

e^(3x)+6=8

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Take the natural log of each side

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Divide by 3

3x/3 = 1/3 ln(2)

x = 1/3 ln(2)

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