I think it's 108/11.. Pretty sure of it
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➷ As there would be 2 circles, you'd need to find the area of a circle and then multiply it by 2
To start with, we can use this:
2 (r^2)
^^ This represents the surface area of the two circles
A cylinder also has a rectangle which is rolled to form the shape
As we know, the formula of a rectangles area is length x width
The width of the rectangle would be equal to the circumference of a circle
circumference of circle =
The length of the rectangle would be the height of the cylinder
We can use this:
This would calculate the surface area as it would find the area of the rectangle plus the area of the two circles.
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Answer:
Inequality: 50-1.99x=30
She has 10 days.
Step-by-step explanation:
So, she starts off with with $50. From there, she is buying songs that are $1.99 (everyday). You could do this multiple ways:
Guess and Check, or use Algebra.
But for Algebra:
If we graph this out, the y intercept would be (0, 50), because she is starting out with $50. From there, she is spending 1.99 each day, so the slope would be 1.99/1. So basically, we would write this as 50-1.99x (that is the expression).
We would also set this equal to 30, because we are trying to see how many days it would take to still keep her balance above $30, but make it as close to 30 as possible. (x represents the # of days.
So the inequality would be 50-1.99x=30
And, when we isolate the variable and solve, we would see that she can buy a total of 10 songs over 10 days. (So basically, she has 10 days to stay over $30).
and you can check those values in those equations.
25/800
simplify
1/32 (divide both sides by 25)
as a decimal
0.03125
As a percent
3.125%