First,
(x•1)+(x/1) = x+x
Then,
x+x=2x
Given:
Sum of arithmetic sequence is 21.
Product of arithmetic sequence is 315.
I did a manual computation. Arithmetic sequence means that there is a constant difference between the two consecutive numbers.
x + (x+2) + (x + 2 + 2) = 21
3x + 6 = 21
3x = 21 - 6
3x = 15
x = 15/3
x = 5 1st number
x + 2 = 5 + 2 = 7 2nd number
x + 2 + 2 = 5 + 2 + 2 = 9 3rd number.
5 + 7 + 9 = 21
5 x 7 x 9 = 315
Answer:2m-10
Step-by-step explanation:
Answer with step-by-step explanation:
The distance between Rockville and San Jose is 2407.2. Since there are 63360 inches in a mile, we divide it by 2, which is 31680. We multiply 2407.2 by 31680, and get 76260096.
Answer:
It is 91.01 m/s faster than the Singaporean sprinter
Convert km/hr to m/s
U get 101.38m/s (speed of bullet train)
Speed of the Singaporean sprinter is 10.37m/s
So subtracting the train speed from the sprinter's speed,
101.38 - 10.35= 91.01m/s
