In the diagram, points E, A, and B are collinear and the areas of square ABCD and right triangle EAD are equal. What are the coo
rdinates of A?
A. (-7.5, 3)
B. (-8, 4)
C. (-9, 6)
D. (-8.5, 5)
E. (-6, 5)
A. (-7.5, 3)
B. (-8, 4)
C. (-9, 6)
D. (-8.5, 5)
E. (-6, 5)
2 answers:
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Answer : y>0
f(x) = 9*2^x
f(x) is an exponential function
When we plug in positive value for x , the value of y is positive
When we plug in negative value for x , the value y is also positive
So for any value of x, the y value is positive always.
Range is the set of y values for which the function is defined
y values are positive , so range is y >0
The stereo system costs $256.
Step-by-step explanation:
Given:
Cost of the stereo system = $320.
The discount Zenaida received = 20%.
To Find:
Cost of the stereo system after the discount=?
Solution:
Step1: Finding the discount amount:
Discount percentage =20
Discount amount = original cost × discount percent
Substituting the values,
Step 2: Removing the discounted amount from the original price
Final cost of the stereo system =original cost of the stereo system –discount amount
Substituting the values we get,
Final cost=320-64
Final cost=256
Result:
Thus the cost of the stereo system after discount is $256