A contestant in a game show has 9,000 points. The contestant answers the next question incorrectly and loses 750 points. Does t
1 answer:
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Answer: the number of terms of the series is 201 numbers
the sum of the first 20 terms is 890
the number of terms of the series is
the series have:
u1 = 5
d = 4
=> u(n) = 5 + 4.(n - 1)
=> u(20) = 5 + 19.4 = 81
so the sum of the first 20 terms is (81 + 5).20/2 = 890
( u1 is the first number of the series, d is the distance between front and rear numbers, u(n) is the overall term of the sequence, u(20) is the 20th of the series)
Step-by-step explanation:
Answer:
Step-by-step explanation:
In all 30-60-90 triangles, the side lengths are in ratio , where
is the side opposite to the 30 degree angle and
is the hypotenuse, or longest side, of the triangle.
Since there are 180 degrees in a triangle, the angle on top must be 30 degrees. Therefore, its opposite side is 6 and in the ratio
.
Thus, we have:
Answer:
Step-by-step explanation:
7.4×10^(-8) - 6.7×10^(-9) = 6.73×10^-8 is 9.05405% smaller than 7.4×10^(-8) = 7.4×10^-8
