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vampirchik [111]
3 years ago
13

3) Solve the system of equations using elimination -9y + 4x - 2 = 0 12x - 5y + 38 = 0

Mathematics
1 answer:
timofeeve [1]3 years ago
7 0
The answer is X= -4 Y=-2
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What is the equation of a line that passes through the point (8, 1) and is perpendicular to the line whose equation is y=−23x+5y
wolverine [178]

Answer:

The correct answer is: y=3/2x-11 :D



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3 years ago
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The length of a rectangle is 4 less than twice the width. The perimeter of the rectangle is 106 cm. Determine the length of the
horsena [70]

Answer:

Length = 34

Step-by-step explanation:

Perimeter of rectangle = a+a+b+b = 2(a+b)

Let a = length = 2b - 4

Let b = width

Therefore

(2b-4) + (2b-4) + b + b = 106 cm

Bracket off

2b-4+2b-4+b+b = 106cm

Collect like terms

2b+2b+b+b-4-4 = 106cm

6b-8 = 106

6b = 106+8

6b = 114

b = 114÷6

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To get a

2b - 4

2(19) - 4

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= 34

4 0
3 years ago
Solve it. 2x=26 Find the value of x.​
EastWind [94]

Answer:

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Step-by-step explanation:

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3 years ago
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What is the value of -2xy if x = -1 and y= 6?<br> A. 12<br> B. -12<br> C. 26<br> D. 8
almond37 [142]

Answer:

A. 12

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4 years ago
Describe how to transform the graph of f(x) = x² to obtain
lord [1]

Answer:

The functions given are:

f(x) = x²

g(x) = f(-4x-3) + 1

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f(x) = x²

f(-4x-3) = (-4x-3)²

Find g(x):

g(x) = f(-4x-3) + 1

g(x) = (-4x-3)² + 1

g(x) = (-1)² (4x+3)² + 1

g(x) = (4x+3)² + 1

First take

y = (x)²

Compress the graph along x axis by multiplying x with 4

y = (4x)²

Shift the graph left by 0.75 units, by adding 3 to x term.

y = (4x+3)²

Shift the graph up by 1 unit by adding 1 to the total terms.

y = (4x+3)² +1

4 0
4 years ago
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