Answer:
20%, 40%, 60%, 80%
Step-by-step explanation:
13/14
Area of a rectangle = l * b
=> 4 1/3 = 3 1/2 + b
=> (4 1/3) / (3 1/2) = b
=> (13/4) / 7/2 = b
=> 13/4 * 2/7
=> 13/2 * 1/7
=> 13/14
Therefore the width = 13/14
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38°
All triangles have a sum of 180°
180 - (119 + 23) = missing angle
180 - (142) = missing angle
38 = missing angle
So, the missing angle has a measurement of 38°
It is the first choice.
This is a sequence where
the next term is obtained by adding 6.
first term = -9 + 6(0) = -9
second term = -9 + 6(1) = -3
third term = -9 + 6(2) = 3
4th term = -9 + 6(3) = 9
and 81 = -9 + (6*15).
So the answer is Sigma (-9 + 6n) from n= 0 to n = 15.
19
3,200,000,000,000,000,000,000,000
(11 × )(12×)
(11 × 100,000,000,000)(12×1,000,000,000,000)
(1,100,000,000,000)(12,000,000,000,000)