Answer:
The original dimensions of the card were 9 inches length and 9 inches width
Step-by-step explanation:
Let x be the original length and width of the card in inches (remember that it was squared originally). The exercise says that the area of the new width, with dimensions x-4 and x-5 is 20 square inches, therefore
(x-4)*(x-5) = 20
x²-9x+20 = 20
x²-9x = 0
x*(x-9) = 0
x = 0 or x = 9
Since x must be positive, then it cant be 0, thus, x has to be 9. The original dimensions of the card were 9 inches length and 9 inches width.
It's C. For the congruent sides are the ones across from it and below it. Hope this helps.
Answer:
y= 0.5x -2
Step-by-step explanation:
gradient = 2 ÷ 4 = 0.5
y intercept is -2
so... equation of line is y = 0.5x - 2
Answer:
I'm going to assume this says 5x divided by 5x. Let me know if that's wrong so I can edit my answer!
Step-by-step explanation:
Since there's only 1 group of 5x in 5x, the answer is one.
If the question is x/5 divided by x/5... then, the answer is still one.
Hope this helps!
Answer: 18 + 6x
( 7 + x ) + ( 6 + x ) + ( 5 + 4 x )
18 + 6x
Brainliest pls if it is correct!
