Answer:
(5a+5b+3ab)/15
Step-by-step explanation:
qquy đồng lên thôi !!
Answer:
2 2/3 hours
Step-by-step explanation:
Before it was 5 hours for 1 guitar, or 5 hours/guitar
Now it is 7 guitars in 3 hours or 7/3 hours/guitar
7/3 = 2 1/3
5 hours - 2 1/3 hours = 15/3 hours - 7/3 hours = 8/3 hours = 2 2/3 hours
The reduced the time it takes to build 1 guitar by 2 2/3 hours.
Answer:
Step-by-step explanation:
we know that
The equation of a exponential growth function is equal to
where
y is the price in dollars
x is the number of weeks
a is the initial value
r is the rate of change
we have
substitute
Remember that
one week later, the price is $37.50
so
we have the ordered pair (1,37.50)
substitute in the exponential function
solve for x
substitute
For x=6 weeks
substitute the value of x
Answer:
The ball will hit the floor after 3 seconds.
Step-by-step explanation:
Answer:
22 feet
Step-by-step explanation:
Change 15 feet into inches using the conversion
1 foot = 12 inches, thus
15 ft = 15 × 12 = 180 inches
scale factor = 180 ÷ 3.75 = 48
Thus the actual dimensions of the boat are 48 times the model.
actual length = 48 × 5.5 = 264 inches = 264 ÷ 12 = 22 feet