Large pies are $5.00 and small pies are $3.00. You buy 2 large pies and 4 small pies. How much did you
2 answers:
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Answer:
300 balloons.
Step-by-step explanation:
Given:
210 balloons are filled for a reception this is 70% of the entire number balloons purchased.
Question asked:
Which equation can be used to find the total number of balloons purchased ?
<u>Solution:</u>
Let total number of balloons purchased =
70% of the number of balloons purchased = 210
Therefore, total number balloons purchased was 300.
Given a quadratic equation , we define the discriminant as
The number of real solutions of the equation depend on the sign of :
- If
the equation has two solutions
- If
the equation has one double solution
- If
the equation has no real solutions
In this case, we have
And so this equation has no real solutions.