Answer:
84.85cm
Step-by-step explanation:
Let the sides of the square be x
The perimeter of the square = 4x
Get x using the pythagoras theorem
x^2 + x^2 = 30^2
2x^2 = 900
x^2 = 450
x = 21.21cm
Perimeter of the plate = 4(21.21)
Perimeter of the plate = 84.85cm
Total = Principal * ((1 + rate/n)^(n*years)
Total = 3,000 * (1.04)^20
Total =
3,000 *<span>
<span>
<span>
2.191123143
</span>
= </span></span>
<span>
<span>
<span>
6,573.37</span></span></span>
So, he will have to add (7,000 - <span>6,573.37) =
$ 426.63
answer is b
Here's a calculator to check your work http://www.1728.org/compint.htm
</span>
Answer:
Which graph represents a function with direct variation?
Step-by-step explanation:
A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form or
In a proportional relationship the constant of proportionality k is equal to the slope m of the line and the line passes through the origin
The graph that represent direct variation in the attached figure
Answer:
Step-by-step explanation:
Given: 
Let's changed that mixed number to an improper fraction. Now we get:
Let's find out least common denominator. This one is easy, the LCD is 8. Now that we know the LCD, let's convert both our fractions:
We can use 
because it is equal to 
. Now, all we need to do is subtract the numerators:
