Jk l k kno k no j kk knock ok no ok ok ok on k kno k on l ik ok kk on jk boo-boo
Answer:
120
Step-by-step explanation:
Answer:
x = 1 and x = 7
Step-by-step explanation:
The given equation is .
We need to solve the equation.
It is a quadratic equation whose solution is given by :
Here, a = 1, b = -8 and c = 7
Put values,
So, the values of x are x = 1 and x = 7.
Work with these two equations.
y = k*x Never mind the k. Call it one or two or anything you like.
The point is that as x gets larger so will y. That's a direct proportion.
y = k/x This one is slight different and a little harder. Call k = 12
y = 12/x Now try a couple of values. Let x = 2
y = 12/2 = 6 Now let x = 4
y = 12/4 = 3
So (read this carefully) as x gets bigger, you gets smaller. That's an inverse relationship.
Answer:
Area = (a² -5a) in²
Perimeter = (4a -10) in
Step-by-step explanation:
Let the length of the rectangle be a.
Given that, its width is 5 in less than the length.
So,
length ⇒ a
width ⇒ (a - 5)
First, let's find the area of the rectangle.
Area = length × width
Area = a ( a - 5 )
<em>Solve the brackets.</em>
Area = <u>(a² -5a) in²</u>
<u />
Now, let us find the perimeter of the rectangle.
Perimeter = 2 ( l + w )
Perimeter = 2 ( a + a - 5 )
Perimeter = 2 ( 2a - 5 )
Perimeter = <u>(4a -10) in</u>