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3 years ago

8

Travis traveled 354 miles in 6 hours. What is his unit rate of speed in miles per hour? _____ miles per hour

2 answers:

JulsSmile [24]3 years ago

6 0

Speed is defined as the distance travelled per time. Given that Travis travelled 354 miles in 6 hours, his speed is 59 miles per hour. However, this is Travis’ average speed and does not reflect his instantaneous speed at any time during his travel.

aev [14]3 years ago

5 0

Answer:

59 miles per hour

Step-by-step explanation:

Travis traveled 354 miles in 6 hours.

We have to calculate his unit rate of speed in miles per hour.

$Speed=\frac{Distance}{Time}$

$Speed=\frac{354}{6}$ = 59 miles

Travis traveled 59 miles per hour

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Read 2 more answers

Anthony has been saving nickels dimes quarters over the last year he knows that he has twice as many nickels as quarters. change

OLga [1]

Answer:

The number of nickel's coin is 150

The number of dime's coin is 35

The number of quarter's coin is 75

Step-by-step explanation:

Let

x ----> the number of nickel's coin

y ---> the number of dime's coin

z ---> the number of quarter's coin

Remember that

$1\ nickel=\$0.05$

$1\ dime=\$0.10$

$1\ quarter=\$0.25$

we know that

$x+y+z=260$ ----> equation A

$0.05x+0.10y+0.25z=29.75$ ----> equation B

$x=2z$ ----> equation C

substitute equation C in equation A and equation B

$2z+y+z=260$

$3z+y=260$ ---> equation A1

$0.05(2z)+0.10y+0.25z=29.75$

$0.35z+0.10y=29.75$ -----> equation B1

Solve the system of equations A1 and B1 by graphing

Remember that the solution is the intersection point both graphs

The solution is the point (75,35)

see the attached figure

so

z=75, y=35

<em>Find the value of x</em>

$x=2(75)=150$

therefore

The number of nickel's coin is 150

The number of dime's coin is 35

The number of quarter's coin is 75

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irinina [24]

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