First, we should calculate the areas separately.
4x8=32
5.6 x 4 = 22.4/2 = 11.2
4.5x4=22 22/2=11
4x8=32
32+11+32+11.2
64+22.2=86.2
So 86.2 ft2
Hope this helped. ^^
Completing the squares tells us exactly what square root we will need to calculate our answer.
Using the formula below you can find these answers:
Does this make sense?
Let the speed for the first 12 mi be x mi/h, the speed for 18 mi was (x+4) mi/h
thus given that
time=distance/speed
the average time will be:
3=(12+18)/(x+x+4)
3=30/(2x+4)
solving for x we get
3(2x+4)=30
6x+6=30
6x=24
x=4 mi/hr
Answer: 12 mi/hr
Answer:
12,9
Step-by-step explanation:
Answer:
$10,603.20
Step-by-step explanation:
You can calculate the simple interest of the loan using the formula:
I = prt, where I = interest, p = principal amount, r = interest rate and t = time. Plugging in the values from the problem:
p = $7,050
r = 8.4% or 0.084
t = 6 years
I = (7050)(0.84)(6) = $3,553.20
To find the total cost of the boat, add the interest and the purchase price:
$7,525 + $3,553.20 = $11,078.20
