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3 years ago

While checking the balance of your bank account, you must record a

Mathematics

2 answers:

satela [25.4K]3 years ago

7 0

Answer:

Step-by-step explanation:

dolphi86 [110]3 years ago

3 0

Answer:

Step-by-step explanation:

Deposit is like you adding money into your bank account.

Withdrawal is like you taking out (subtracting) money out of your bank account.

So this means for your balance, if you have a deposit of $249 (+$249) and withdraw $227 (-$227), this means your balance would look like:

Balance:

+$249 - $227 = + $22

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The line is parallel to y= 2x + 1 and passes through point (-2,-1).

inessss [21]

Answer:

y = 2x + 3

Step-by-step explanation:

To find the equation of a line, you need 2 things:

1) gradient/slope

2) 1 set of x and y coordinates

To find the slope:

If 2 lines are parallel, they have exactly the same gradient.

So, this line will have a slope of 2 as well (the slope of a line is the coefficient of x in the equation).

To find the equation of the line:

Start with this generic equation:

y - y1 = m (x-x1)

We know that:

(x1, y1) -> (-2, -1) and m= 2

So, we can substitute for the equation:

y- (-1) = 2 (x -(-2))

Simplify, by expanding the brackets:

y + 1= 2 (x+2)

y + 1 = 2x + 4

Rearrange for y:

y = 2x + 3

To double check:

1) The coefficient of x is the slope, we have 2x and the slop is 2, so that's correct

2) Sub in x= -2, and you should get y=-1

y = -4 + 3 = -1, so that's correct too

Hope that helped : )

7 0

3 years ago

If the profits in your consulting business increase by 5% one year and decrease by 3% the following year, your profits are up

Leona [35]

Let the original profits be $x. 5% increase in profits will give us:
105/100×x=$1.05x
3% reduction in new profits ill give us the latest amount to be:
97/100×1.05x
=$1.0185x
comparing our new profits to our original amount of $x we shall have new percentage increase to be:
(1.0185x-x)/x×100
=1.85%
Thus our final increase 1.85%

6 0

3 years ago

3 angles of a quadrilateral measure 25 degree and 40 degree and 90 degree wwhat is the measure of the 4th angel

myrzilka [38]

A quadrilateral has 4 sides and 4 angle.

The sum of the 4 angles need to equal 360 degrees.

4th angle = 360 - 25-40-90

4th angle = 205 degrees.

6 0

3 years ago

In a health club, research shows that on average, patrons spend an average of 42.5 minutes on the treadmill, with a standard dev

Naya [18.7K]

Answer: d) 0.31

Step-by-step explanation:

Given : In a health club, research shows that on average, patrons spend an average of 42.5 minutes on the treadmill, with a standard deviation of 5.4 minutes.

i.e. $\mu=42.5$ and $\sigma= 5.4$