Answer: 150+475= Price before sale.
Step-by-step explanation:
Answer:
- False
- False
- True
Step-by-step explanation:
Since the given expression represents the account balance, the initial amount (when x=0) is $500 in Account A, and $100 in Account B. (Less money was invested in account B.)
The growth rate of each account is $1.03 per year.* (The growth rate ($/year) is identical for each account.)
The total of the initial amounts invested is $500 +100 = $600.
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<em>* Comment on growth rate</em>
Since the account balance is shown as <em>greater than</em> or equal to the given expression, there appears to be the possibility that adjustments are made to the account balance by some means other than the growth predicted by this inequality. For example, if the balance in Account A is $900 at the end of 1 year, the inequality will still be true, but the extra $398.97 will be in addition to the $1.03 growth predicted by this expression.
This means <em>we really cannot say what the growth rates of the accounts might be</em>, except that it is a minimum of $1.03 per year in each account.
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<em>Comment on the expressions</em>
More usually, we would expect to see an account balance have the equation a = 400·1.03^x. That is, the interest rate would be 3% and it would be compounded annually. The expression 400 + 1.03x is very unusual in this situation.
Answer:
x = -1
Step-by-step explanation:
7x-3x = -8+4
4x = -4
4x/4 = -4/4
x = -1
The equation of the line that is not parallel to others is (C) 2x-3y= -1
<h3>How to determine the equation of the line is not parallel?</h3>
From the question, we have the following parameters that can be used in our computation:
A) 3x-2y=5
B) -3x+2y=9
C) 2x-3y= -1
D) -3x+2y=8
Make y the subject in equations
So, we have the following representation
A) y = 3/2x - 5/2
B) y = 3/2x + 9/2
C) y= 2/3x + 1/3
D) y = 3/2x + 4
As a general rule of linear equations
Parallel lines have equal slope
A linear equation is represented as
y = mx + c
Where
slope = m
Using the above as a guide, we have the following:
A) y = 3/2x - 5/2 ⇒ slope = 3/2
B) y = 3/2x + 9/2 ⇒ slope = 3/2
C) y= 2/3x + 1/3 ⇒ slope = 2/3
D) y = 3/2x + 4 ⇒ slope = 3/2
Hence, the line that is not parallel is (c)
Read more about linear equations at
brainly.com/question/2030026
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