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ra1l [238]
3 years ago
11

Hey can anybody help me out with this please

Mathematics
2 answers:
Naddik [55]3 years ago
7 0
About a 70% increase
elena-14-01-66 [18.8K]3 years ago
7 0
It is a 188% increase
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The perimeter of a rectangular garden is 40 it. The length is 2 ft more than the width. Find the length and the width of the gar
alexgriva [62]

Answer: Length = 11

              Width = 9

Step-by-step explanation:

Let x represent the unknown length.

Let x - 2 represent the unknown width.

The perimeter is equal to 2 times x + (x -2)

Equation:

2 (x + (x - 2)) = 40

x + (x - 2) = 40/2

x + x - 2 = 20

2x - 2 = 20

2x -2 + 2 = 20 + 2

The length is: 2x = 22 -> x = 22/2 -> x = 11

The width is: x - 2 = 9

5 0
2 years ago
a straight line has a equation 4x + 3y = 12 . find the gradient of the line and the coordinates of the point where this line cro
Komok [63]
4x + 3y = 12
3y = -4x + 12
y = -4/3x + 4........so the slope (or gradient) is -4/3...because in y = mx + b form, the slope(gradient) is in the m position and the y int is in the b position....so if u wanted to know the y axis, it would be (0,4)

the x intercept (where the line crosses the x axis) can be found by subbing in 0 for y in the original equation or the slope intercept equation, and solving for x.
4x + 3(0) = 12
4x = 12
x = 12/4 = 3....so the x intercept is (3,0)
4 0
3 years ago
SOLVE THE FOLLOWING BY SUBSTITUTION AND PLEASE SHOW STEPS:
Elza [17]
5x + 2y =9
X + y= -3

5x+2y=9
2x+2y=-6
__________
3x =15
X =5


5+y=-3
Y=-8

Answer is : (5,-8)
6 0
3 years ago
Read 2 more answers
consider the diagram points a and alarm straight line points PNC loan a straight line and point B and D lie on a straight line d
katrin2010 [14]

Answer:

false

Step-by-step explanation:

6 0
3 years ago
A dozen eggs cost $3.84. At this rate, how much would 50 eggs cost?
Advocard [28]
$16


First you find how much one egg cost which is 3.84/12 (0.32)
Next multiply 0.32 by 50 which would be 16
3 0
3 years ago
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