Answer:
50
Step-by-step explanation:
4w+10=4*10+10=40+10
40+10=50
Answer:
-77 + (-46)
=> -77 - 46 (When you add two negative integers, it is the same thing as subtracting a positive integer with a negative integer)
=> -123 (Because a negative + a negative = a negative)
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Answer:
1.
n=11
2.
![n = \sqrt[3]{9}](https://tex.z-dn.net/?f=n%20%3D%20%20%5Csqrt%5B3%5D%7B9%7D%20)
Step-by-step explanation:
Question 1:
The given equation is:

Subtract 5 from both sides:


Divide boy sides by:
-3

Question 2:
The given expresion is :

Subtract 5 from both sides

This implies that;


![n = \sqrt[3]{9}](https://tex.z-dn.net/?f=n%20%3D%20%20%5Csqrt%5B3%5D%7B9%7D%20)
Answer:
Step-by-step explanation:
Just plug in
7 - 2(2) = 3
The area is maximized when half the fence is used along the river. The length and width of the plot are 36 ft and 18 ft.
_____
Let x represent the length of fence parallel to the river. Then the area (A) can be described by
.. A = x(72 -x)/2
This equation describes a downward-opening parabola with zeros at x=0 and x=72. Its vertex (maximum) is halfway between the zeros, at x=36.