Answer:
The answer to your question is below
Step-by-step explanation:
Data
Center = (0, 0)
Vertex = (13, 0)
Focus = (12, 0)
Process
From the data we know that it is a horizontal ellipse.
1.- Calculate "a", the distance from the center to the vertex.
a = 13
2.- Calculate "c", the distance from the center to the focus
c = 12
3.- Calculate b
Use the Pythagorean theorem to find it
a² = b² + c²
-Solve for b
b² = a² - c²
-Substitution
b² = 13² - 12²
-Simplification
b² = 169 - 144
b² = 25
b = 5
4.- Find the equation of the ellipse
or
Answer:
b) 822.42
Step-by-step explanation:
Just multiply 2.7 by 304.6 and your answer would be 822.42
From my research, the question is actually looking for the radical equivalent of 27^(2/3). Let us solve this below:
27^(2/3) = [cube root (27)]^2 = 3^2 = 9
Therefore, the final answer to the expression is 9.
Answer:
7%
Step-by-step explanation:
The additional tax is $0.42, we just have to find how much percent the tax ($0.42) is of the original cost ($6.00).
To do this, we can use the following formula:
Where x is the part (in this case, the tax ($0.42)), y is the whole (in this case, the original cost ($6.00)), and p being the percent (the tax rate in this case). We can replace the values in:
We can cross multiply and simplify to find the tax rate:
We're not done yet! We still need to turn it to percent. But we can do this by just multiplying our result by 100:
Place the percent sign and we are done.
Hope this helps.
Answer:
Step-by-step explanation: