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KiRa [710]
2 years ago
6

My car gets 23 miles per gallon at 60 miles per hour. Is the number of miles I can drive at 60 miles per hour a linear function

of the number of gallons of gas in the tank? Explain your reasoning.
Mathematics
1 answer:
stiv31 [10]2 years ago
7 0

9514 1404 393

Answer:

  yes

Step-by-step explanation:

The constant ratio (23 mi)/(1 gal) tells you the number of miles is a linear function of the number of gallons.

  miles = (miles/gallon) × gallons

  miles = constant × gallons . . . . . a linear function of gallons

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What is the solution to the system of equations? 3x - 6y = -12, x -2y =-8.
Xelga [282]

Answer:

Step-by-step explanation:

First, we need to write down the equations so we can have a vision of the equations.

3x - 6y = -12

x - 2y = -8

Now we find the simpler equation, and we make it to where one of the variables is on one side.

Let's use the bottom equation.

x = 2y - 8

Now we plug in the equation to the other equation.

3(2y - 8) - 6y = -12

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This is a false statement. 0 does not equal 12. That means that the equation has no solutions.

6 0
2 years ago
I need help in this question
tiny-mole [99]

Answer:

C. 12/15

Step-by-step explanation:

2/3, 6/9, and 18/27 all simplify to 2/3. 12/15 does not.

8 0
2 years ago
Please help me.. I don't undersand this
klasskru [66]

Answer:

45 degrees.

Step-by-step explanation:

When two angles are next to each other along a straight line, their sum = 180 degrees.

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5 0
2 years ago
Read 2 more answers
If a car is traveling at 120 km/s within 120 min, what is its distance? (Remember: 60 seconds = 1 min. 120 km = 120,000 m) *
Nitella [24]

Answer:

d=864\times 10^6\ m

Step-by-step explanation:

Given that,

Speed of a car, v = 120 km/s

It takes 120 minutes

v = 120000 m/s

t = 7200 s

We need to find the distance covered. Speed is given by :

v = distance/time

d=v\times t\\\\d=120000\ m/s\times 7200\ s\\\\d=864\times 10^6\ m

So, the distance covered is 864\times 10^6\ m.

3 0
3 years ago
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