Big Brother (Compare Exercise 65 in Section 6.3.) The total number of wiretaps authorized each year by U.S. state and federal courts from 1990 to 2015 can be approximated by w ( t ) = 774 e 0.06 t ( 0 ≤ t ≤ 25 ) . ( t is time in years since the start of 1990.) Compute ∫ 10 25 w ( t ) d t . (Round your answer to the nearest 10.) Interpret the answer.
Big Brother (Compare Exercise 65 in Section 6.3.) The total number of wiretaps authorized each year by U.S. state and federal courts from 1990 to 2015 can be approximated by w ( t ) = 774 e 0.06 t ( 0 ≤ t ≤ 25 ) . ( t is time in years since the start of 1990.) Compute ∫ 10 25 w ( t ) d t . (Round your answer to the nearest 10.) Interpret the answer.
Solution Summary: The author calculates that the total number of wiretaps issued by U.S. state and federal courts from 1990to2015 is approximated by w(t)=774
Big Brother (Compare Exercise 65 in Section 6.3.) The total number of wiretaps authorized each year by U.S. state and federal courts from 1990 to 2015 can be approximated by
w
(
t
)
=
774
e
0.06
t
(
0
≤
t
≤
25
)
.
(t is time in years since the start of 1990.) Compute
∫
10
25
w
(
t
)
d
t
. (Round your answer to the nearest 10.) Interpret the answer.
find the zeros of the function algebraically:
f(x) = 9x2 - 3x - 2
Rylee's car is stuck in the mud. Roman and Shanice come along in a truck to help pull her out. They attach
one end of a tow strap to the front of the car and the other end to the truck's trailer hitch, and the truck
starts to pull. Meanwhile, Roman and Shanice get behind the car and push. The truck generates a
horizontal force of 377 lb on the car. Roman and Shanice are pushing at a slight upward angle and generate
a force of 119 lb on the car. These forces can be represented by vectors, as shown in the figure below. The
angle between these vectors is 20.2°. Find the resultant force (the vector sum), then give its magnitude
and its direction angle from the positive x-axis.
119 lb
20.2°
377 lb
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