The total amount, a, in dollars, that Mitra earns is a = 14.6h, where h is the number of hours that she works. What is the const
2 answers:
Answer:
Find out the what is the constant of proportionality .
To prove
As given
The total amount, a, in dollars, that Mitra earns is a = 14.6h .
The total amount in dollars is represented by a.
the number of hours that Mitra works by h .
As the total amount is depand upon the working hours.
Thus
a = kh
Where k is the constant of proportionality .
Compare this with the equation a = kh with a = 14.6h .
k =14.6
Therefore 14.6 is the constant of proportionality .
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Answer:
(a + 2b)(a - b)
Step-by-step explanation:
Assuming you require the expression to be factored
Given
a² +
ab - b² ← factor out
from each term
= (a² + ab - 2b²) ← factor the quadratic
Consider the factors of the coefficient of the b² term(- 2) which sum to give the coefficient of the ab- term (+ 1)
The factors are + 2 and - 1, since
2 × - 1 = - 2 and 2 - 1 = + 1, thus
a² + ab - 2b² = (a + 2b)(a - b) and
a² +
ab - b² =
(a + 2b)(a - b)