The equation represented by Ms. Wilson's model is n² + 13n + 40 = (n + 8)(n + 5)
<h3>How to determine the equation of the model?</h3>
The partially completed model is given as:
| n
| n²
5 | 5n | 40
By dividing the rows and columns, the complete model is:
| n | 8
n | n² | 8n
5 | 5n | 40
Add the cells, and multiply the leading row and columns
n² + 8n + 5n + 40 = (n + 8)(n + 5)
This gives
n² + 13n + 40 = (n + 8)(n + 5)
Hence, the equation represented by Ms. Wilson's model is n² + 13n + 40 = (n + 8)(n + 5)
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Answer:
Did you copy this down correctly?
Step-by-step explanation:
b = .125 which is rational
a is irrational because the square root of a prime number is irrational.
If c = 225....
then adding 2 rational numbers = rational sum
But adding (or multiplying) an irrational number to a rational number = irrational number.
Answer: the sales for the month must be greater than or equal to $6666.7
Step-by-step explanation:
Let x represent her sales for the month.
Liz earns a salary of $2,500 per month, plus a commission of 6% of her sales. If she makes sales worth $s for the month, then her commission for the month would be
6/100 × s = 0.06 × s = 0.06s
Her total income for a month would be
2500 + 0.06s
She wants to earn at least $2,900 this month.
Therefore, the inequality that represents the situation would be
2500 + 0.06s ≥ 2900
0.06s ≥ 2900 - 2500
0.06s ≥ 400
s ≥ 400/0.06
s ≥ 6666.7
