Answer:
DC=6
Step-by-step explanation:
all is shown and pictured
If the food bill is $38.92, then what would the tip be if you want to leave a tip of 15%?
1 answer:
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The answer is C and D
First we must make one side of the equation zero, so we subtract 7 on both sides of the equation, making the equation 9x^2 - 6x - 6 = 0
Then we will use the quadratic formula to find the answers.
using the Quadratic Formula where:
a = 9, b = -6, and c = -6
and the formula is 6 +-
Since EF=FG, you can set 6x - 10 = to 3x + 11
Then add like terms
so,
Now you can divide by 3 to get
:)
then put it back into
so,
Then add like terms
so,
Now you can divide by 3 to get
then put it back into
so,