Your bank account has -$30, and you deposit $7 daily. How much money is your account after 5 days? Show you work with the Unit!

Mathematics

1 answer:

Ganezh [65]1 year ago

7 0

The amount in the account after the daily deposit for 5 days is $5

<h3>How to determine the amount in the account?</h3>

The given parameters i the question are represented as follows

Initial balance = -$30

Daily deposit = $7

Number of days of deposit = 5

The equation that represents the amount in the account is represented as

Amount = Initial balance + Daily deposit * Number of days

Substitute the known values in the above equation So, we have the following equation

Amount = -30 + 7 * 5

Evaluate

Amount = 5

Hence, the amount is $5

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TEA [102]

The equation of a straight line is given by:

y = mx + c

where m is the slope and c is the y-intercept.

From the given graph, the y-intercept is 1.

The slope of a straight line is given by:

$m= \frac{y_2-y_1}{x_2-x_1}$

Where $(x_1,y_1)$ and $(x_2,y_2)$ are two points on the line.

From the graph, (0, 1) and (14, 8) are two points on the line, thus:

$m= \frac{8-1}{14-0} = \frac{7}{14} = \frac{1}{2}$

Therefore, the equation representing the graph is $y= \frac{1}{2} x+1$