Answer:
y = 5
Step-by-step explanation:
If the line is parallel to the x-axis, regardless of the value of x, the value of y must remain at y = 5. Therefore, x can be any number, (x,5), including -2.
Answer:
625 ft^2
Step-by-step explanation:
Given
--- perimeter
Required
The largest area
The perimeter is calculated as:

So, we have:

Divide both sides by 2

Make L the subject

The area is calculated as:

Substitute 

Open bracket

Differentiate with respect to W

Set to 0; to get the maximum value of W

Collect like terms

Divide by -2

So, the maximum area is:




Answer:
yes it is safe
Step-by-step explanation:
so if you d base times hight you will get 27 witch is the degrees of witch the triangle it creates
3b+6
If you make both equations equal each other, you can then solve the system of equations.
Answer:
see explanation
Step-by-step explanation:
Given
- (
)²
The negative is outside the bracket and is not squared, that is
= -
× 
= -
= - 
Given
=
= 