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The value of h = 0, ± 
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Step-by-step explanation:
We have,

To find, the value of h = ?
∴ 
⇒
+ (0)
- 12
+ (0)
+ (0)h = 0
⇒
+ 0 - 12
+ 0 + 0 = 0
⇒
- 12
= 0
Taking 6
as common, we get
= 0
⇒6
= 0 or,
- 2 = 0
⇒ 6
= 0 ⇒ h = 0
⇒
= 2
⇒ h = ± 
Hence, the value of h = 0, ± 
Answer:
B = ±X
Step-by-step explanation:
A^2 + B^2 = A^2 + X^2
Subtract A^2 from each side
A^2-A^2 + B^2 = A^2-A^2 + X^2
B^2 = X^2
Take the square root of each side
sqrt(B^2) = ±sqrt(X^2)
B = ±X
Answer:
Width of rectangle = 6 m
Length of rectangle = 11 m
Step-by-step explanation:
Let width of rectangle = w
Length of rectangle = 3w-7
Area of rectangle = 66 m²
We need to find length and width of rectangle
The formula used is: 
Putting values and finding w

Solve using quadratic formula: 
We have a=3, b=-7, c=-66
Putting values and finding w

We get values of w as w=6 and w=-3.6
As we know width cannot be negative, so considering w = 6
So, Width = 6
Length = 3w-7 = 3(6)-7 = 18-7 = 11
So, Width of rectangle = 6 m
Length of rectangle = 11 m
Answer:
6x+9
Step-by-step explanation:
3 x 2x =6x
3x3=9
=6x+9
A kid has $1 and he receives $1 everyday after doing his homework. So the initial money that he has is the y-intercept and the money that he receives everyday is the slope.
Hope this helps :)