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Mrac [35]
3 years ago
13

Determine and solve the system of equations. A parking meter takes nickels and dimes only. Ninety-five coins are removed from th

e meter for a total of $6.75. x = number of nickels. y = number of dimes.
Mathematics
1 answer:
kvv77 [185]3 years ago
7 0

Answer:

4x=3+2ysquare over 3

lol hope it helped

Step-by-step explanation:

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stealth61 [152]

Answer:

y = 7 - 2x/3

Step-by-step explanation:

Make the y alone, so 3y = -2x+21

Divide everything else by 3, so y = -2x/3 +7

You end with the answer of y= 7-2x+3

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Step-by-step explanation:

4 0
3 years ago
1 inch = 2.54cm 1 mile = 1.6km a map has a scale of 1 inch represents 1 mile use the given conversions to show that 1cm on the m
lara31 [8.8K]
Note: 1 inch = 2.54 cm is an exact converion, while 1 mile=1.6km is only approximate.

Using conversion
1 inch=2.54 cm
1 mile = 1760*3*12 = 63360 in = 160934.4 cm 
If 1 inch = 1 mile, then 
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1 cm : 0.6336 km   (exactly), or
1 cm : 0.6 km (approximately)

Using both conversions:
1 inch = 2.54 cm : 1 mile = 1.6 km
=>
2.54 cm : 1.6 km
1 cm : 1.6/2.54=0.6299 km (approximately), or
1 cm : 0.6 km (approximately)
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Answer:

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