Answer:
The answer is B : 6
Step-by-step explanation:
2.50k means 2.50 multiplied by a number and the inequality means 20 is less than 2.50k + 5.50. 2.50 multiplied by 6 equals 15 and 15 plus 5.50 is 20.50 which is greater than 20.
Answer:
volume = 2976 units^3
Step-by-step explanation:
volume = 16x15.5x12 = 2976 units^3
It is a geometric sequence. The next two terms are: 0.125, 0.0625
The given sequence is:
2, 1, 0.5, 0.25, . . . .
Let a(n) be the nth term, then in the above sequence
a(1) = 2
a(2) = 1
a(3) = 0.5
a(4) = 0.25
Notice that:
a(2) = a(1) x 0.5
a(3) = a(2) x 0.5
a(4) = a(3) x 0.5
A sequence, of which its next term is obtained by multiplying the previous term by a constant is called a geometric sequence. The constant is called the ratio.
Therefore this is a geometric sequence with r = 0.5
To find the next two terms, continue the multiplication process:
a(5) = a(4) x 0.5 = 0.25 x 0.5 = 0.125
a(6) = a(5) x 0.5 = 0.125 x 0.5 = 0.0625
Learn more about sequences here:
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