Answer:
564 pencils
Step-by-step explanation:
1 box = 12 pencils
25 boxes = 25 × 12 pencils = 300 pencils
22 boxes = 22 × 12 pencils = 264 pencils
300 + 264 = 564 pencils
Answer:
y=10
Step-by-step explanation:
Answer:
The first 20 decimal places of pi are 3.14159265358979323846
This can be determined using a long set of complex calculations. However, they are readily available to you online or in most geometry textbooks for your use.
Answer:$5215.25
Step-by-step explanation:
Principal(p)=$2300
rate(r)=6.5%
time(n)=13years
amount =p(1+r/100)^n
Amount=2300 x (1+6.5/100)^13
Amount=2300x(1+0.065)^13
Amount=2300x(1.065)^13
Amount =2300 x 2.2675
Amount =5215.25
Answer: The equations are
6x - 6y = 9
4x + 4y = 9
Step-by-step explanation:
Let x represent the speed of the row boat in still water.
Let y represent the speed of the current.
Dana can travel 9 miles in her rowboat in 6 hours against the current. This means that the total speed at which she travelled is
(x - y) miles per hour.
Distance = speed × time
Distance travelled against the current is expressed as
9 = 6(x - y)
6x - 6y = 9
With the current, it takes 4 hours to row the same distance. This means that the total speed at which she travelled is
(x + y) miles per hour.
Distance travelled with the current is expressed as
9 = 4(x + y)
4x + 4y = 9