Answer:
D. (2, 1)
Step-by-step explanation:
Given:
y = 6x - 11
-2x - 3y = -7
Required:
Find the solution.
Solution:
y = 6x - 11 ---› eqn. 1
-2x - 3y = -7 ----› eqn 2
Substitute y = (6x - 11) into equation 2.
-2x - 3(6x - 11) = -7
-2x - 18x + 33 = -7
-20x + 33 = -7
Subtract 33 from each side
-20x = -7 - 33
-20x = -40
Divide both sides by -20
x = -40/-20
x = 2
Substitute x = 2 into equation 1.
y = 6x - 11 ---› eqn. 1
y = 6(2) - 11
y = 12 - 11
y = 1
The solution is very (2, 1)
Answer:
125
Step-by-step explanation:
5 x 5 = 25
25 x 5 = 125
The width of rectangle is 21 meters.
Step-by-step explanation:
Given,
Perimeter of rectangle = 98 meters
Width of rectangle = w
Length of rectangle = w+7
Perimeter of rectangle = 2(Length+Width)
Perimeter = 

Dividing both sides by 4

Width of rectangle = 21 meters
The width of rectangle is 21 meters.
Keywords: rectangle, perimeter
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Answer:
x=12
Step-by-step explanation:
2x-15 + 2x-6 = 15
4x = 36
x = 9
2 x 9 - 6 = 12