Consider circle O. If AE = 7, EC = 2, and BE = 4, what is ED? A. 5 B. 4.5 C. 4 D. 3.5 E. 3
2 answers:
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For this case, the first thing we must do is define variables.
We have then:
t: number of hours
F (t): total charge
We write the function that models the problem:
Where,
b: represents an initial fee.
We must find the value of b.
For this, we use the following data:
Her total fee for a 4-hour job, for instance, is $ 32.
We have then:
From here, we clear the value of b:
Then, the function that models the problem is:
Answer:
the function's formula is:
Answer:
The gestation period of rhinos (487 days) is 121. 3 percent longer than the gestation period of bears (220 days).
Step-by-step explanation:
Given:
Gestation period of rhinos = 487 days
Gestation period of bears = 220 days
To Find:
Percentage increase = ?
Solution:
The percentage increase =
On substituting the values,
=
=
=>
=> 121.3 %
Answer:
Option B.
Step-by-step explanation:
we know that
The area of a square is equal to
where
x is the length side of the square
In this problem we have
substitute and solve for x
suqre root both sides