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Artist 52 [7]
3 years ago
12

What is the value of x in the solution to this system of equations 3x=2y+14 y=-6x+18

Mathematics
1 answer:
Radda [10]3 years ago
4 0

Answer:

x=10/3 (or 3.33333333 repeating)

y= -2

Step-by-step explanation:

wayyyy too hard to explain but you can also search photomath and im sure itll give you a good explanation

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write an equation of the line that's passes through the point (1,6) and is parallel to the line whose equation is y= 3x - 5
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Parallel lines have the same slope.
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we already have the slope, being 3.
so, use the equation
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y-6. 3
---- = ---- (make it a fraction by puttingitover 1)
x-1. 1
cross multiply.
1(y-6)=3 (x-1)
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Final answer: Y=3x+3
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3 years ago
Help Finding Y Math Homework
nikklg [1K]
X is positive 2 and y is positive 1
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3 years ago
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How is adding and subtracting mixed numbers similar to adding and subtracting fractions? How is adding and subtracting mixed num
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7/4 5/6
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7/5
1 2/5

8 0
3 years ago
Mister Rogers is fencing another new rectangular garden in his neighborhood. One side of the garden faces the road and needs to
Oksanka [162]

Answer:

length of the pretty side  and length of the side oppositte to the pretty side  =   37.91 ft

length of the other two sides  = 27.52 ft

Step-by-step explanation:

The mathematical problem is:

Max A = b1*h

subject to: 35*b1 + 18*(2*h + b2) <= 3000

Where

A: area of the garden

b1: length of the pretty side

b2: length of the side oppositte to the pretty side

h: length of the other two sides

Replacing with b1 = b2 and taking only the equality sign in the restriction (in the maximum all the money will be spent), we get:

35*b1 + 18*(2*h + b1) = 3000

35*b1 + 36*h + 18*b1 = 3000

53*b1 + 36*h = 3000

b1 = 3000/53 - (36/53)*h

Substituing in Area's formula  

A = (3000/53 - (36/53)*h)*h

A = (3000/53)*h - (36/53)*h^2

In the maximum, the derivative of A is equal to zero

dA/dh = 3000/53 - 2*(36/53)*h =

3000/53 - 72/35*h = 0

h = (3000/53)*(35/72)

h = 27.52 ft

then,

b1 = 3000/53 - (36/53)*27.52

b1 = 37.91 ft =b2

3 0
3 years ago
Rewrite the equation in standard form<br> y=-(x+7)(x+7)-9
olasank [31]

Answer:

x² - 14x - 58

Step-by-step explanation:

3 0
3 years ago
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