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Sav [38]
3 years ago
11

The number of men and women receiving bachelor's degrees each year has been steadily increasing. For the years 1970 through the

projection of 2014, the number
of men receiving degrees (in thousands) is given by the equation y = 3.7x+445, and for women, the equation is y = 14.2x +316, where x is the number of years after
1970
a. Use the substitution method to solve this system of equations
The solution of the system is IN
(Type an ordered pair. Do not round until the final answer. Then round each coordinate to the nearest integer as needed)
Mathematics
1 answer:
miskamm [114]3 years ago
6 0

Answer:

jdndndnrlfjcbsalkfdkaoai do I bdnsnnssu dnbdsy bdnsnnssu B's ND my bday you ND bd

Step-by-step explanation:

jsnsmxdhskjshedjdjdkjd j

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A truck driver travels at 59 miles per hour. The truck tires have a diameter of 30 inches. What is the angular velocity of the w
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Answer:

661.4\ rpm

Step-by-step explanation:

we know that

1 mile=63,360 inches

step 1

Find the circumference of the wheels

C=2\pi r

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substitute

C=2\pi(15)

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assume

\pi =3.14

C=30(3.14)=94.2\ in

Remember that    

The circumference of the wheels represent one revolution

Convert 59 miles per hour to inches per minute

59\ mi/h=59*63,360/60=62,304\ in/min

using proportion find the number of revolutions  

\frac{1}{94.2}\frac{rev}{in}=\frac{x}{62,304}\frac{rev}{in}\\ \\x=62,304/94.2\\ \\x=661.4\ rev

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