Answer:
Sequence One
Step-by-step explanation:
S = a₁ / (1 − r) is the infinite sum of a geometric series where |r| < 1.
Sequence One: r = 1/5
Sequence Two: r = 2
Sequence Three: not geometric
Sequence Four: r = -3/2
Only Sequence One has |r| < 1.
Answer:
112
Step-by-step explanation:
Define the variables:
x = number of French students sent by the school
Write the equation:
x / 21 = 1 / 3
Solve:
x = 7
The school sent 7 French students and 21 German students, for a total of 28 students.
The other 3 schools also sent 28 students. So the total number of students sent is:
4 × 28 = 112
Answer:
a(3b+5x)
Step-by-step explanation:
Factor 3ab+5ax
3ab+5ax
=a(3b+5x)
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Answer:
32 divided by 7 is 4.571428571. This decimal rounded to the nearest tenth is 4.6.
Step-by-step explanation:
Answer:53
Step-by-step explanation:56-3 =53
