There are 10 portions to the circle, and 7 of the 10 are shaded. 7/10 is 70%
Answer:
? i cant understand this!!!!!!!
Step-by-step explanation:
The values of a and b are 1/4 and 1/5 respectively
<h3>How to determine the true statement?</h3>
The function is given as:
16x^2 - 25y^2 = 1
The above function is a horizontal hyperbola.
A horizontal hyperbola that passes through the origin is represented as:

Rewrite 16x^2 - 25y^2 = 1 as

By comparison, we have:


Solve for a and b


Hence, the values of a and b are 1/4 and 1/5 respectively
Read more about hyperbola at:
brainly.com/question/27799190
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Answer:
135
Step-by-step explanation:
The given expression is

From the question, x=5
So,by substitution,we obtain





Hence the answer is 135