Use a number line to add and subtract. With multiplying and dividing just do it like a whole number. But remember, you take the sign of the larger number (example: -20 + 9 = -29). And when there is two negatives (interger)it equals a positive.I hope this helps!
Answer:
Step-by-step explanation:
we know that
The simple interest formula is equal to
where
I is the Final Interest Value
P is the Principal amount of money to be invested
r is the rate of interest
t is Number of Time Periods
in this problem we have
substitute in the formula above
solve for t
Five less than a number n
Answer:
A: 5x6
Step-by-step explanation:
5x6=30
7x3=21
9x3=27
3x8=24
Step-by-step explanation:
Y=90° as its a right angled triangle