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il63 [147K]
3 years ago
14

The function d(x) = 1375 − 110x represents the distance (in miles) a high-speed

Mathematics
1 answer:
earnstyle [38]3 years ago
5 0
D(x) = 1375 - 110x.....where x is the hrs traveled and d(x) is the distance in miles left to travel

(a) after 8 hrs....so x = 8
     d(8) = 1375 - 110(8)
     d(8) = 1375 - 880
     d(8) = 495...so after 8 hrs, u r 495 miles short of ur destination

(b) before reaching its destination...its destination is 1375 miles....and if u r traveling 110 miles per hr....1375/110 = 12.5....so after 12.5 hrs, u should reach ur destination.
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nadezda [96]

Answer:

B) x = 3, y = 0

Step-by-step explanation:

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Mariana [72]

Answer:

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4 years ago
Mailboxes Plus sends packages overnight for $5 plus $0.25 per ounce. United Packages charges $2 plus $0.35 per ounce. Me. Molina
scZoUnD [109]

Answer:

30 ounces

Step-by-step explanation:

You first have to write out the two equations:

5+0.25x=y

2+0.35x=y

Then simply equal the equations to each other:

5+0.25x=2+0.35x

Subtract the 2 from both sides:

3+0.25x=0.35x

Subtract the 0.25x from both sides:

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Divide the 0.10 on both sides:

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You can check by plugging 30 back into the equations to make sure that they are equal to each other.

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3 years ago
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