Answer:
c =
Step-by-step explanation:
Given
R=
Clear the radical by squaring both sides
R² = b² - 4ac ( subtract b² from both sides )
R² - b² = - 4ac ( multiply all terms by - 1 )
b² - R² = 4ac ( divide both sides by 4a )
= c
If y = 9 inches, z = 14 inches, h = 5 inches, and w = 4 inches, what is the area of the object?
1 answer:
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Let
x--------> the number of children
y------> the number of teenagers
z------> the number of adults
we know that
------> equation A
-----> equation B
-------> equation C
Substitute equation C in equation A and equation B
--------> equation D
--------> equation E
Multiply equation E by
--------> equation F
Adds equation D and equation F
therefore
<u>the answer is the option</u>