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mina [271]
3 years ago
5

Type the correct answer in the box

Mathematics
1 answer:
algol133 years ago
5 0

c = cost of food/med for cats

d = cost of food/med for dog

y = total cost/spent

What you know:

y = 6c + d              [has 6 cats and 1 dog]  

c = 2/3d - 5        [cost for cat is 5 less than 2/3 cost for dog]

y = $195

y = 6c + d    

Substitute/plug in what you know, plug in (2/3d - 5) for c and 195 for y

195 = 6(2/3d - 5) + d        Distribute/multiply 6 into (2/3d - 5)

195 = 4d - 30 + d        Combine like terms

195 = 5d - 30      Add 30 on both sides of the equation

225 = 5d        Divide 5 on both sides

$45 = d            

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7 0
4 years ago
Help me quick please.
Rudiy27

Answer:

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Step-by-step explanation:

we know that

The correct dimensions are

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3 0
4 years ago
A classroom is 20 feet long. The office is 82% longer than the classroom. How long is the office?
enyata [817]

Answer:

The length of the office is  36.4 ft

Step-by-step explanation:

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⇒ \frac{82}{100}   \times 20  =  16.4

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⇒The length of the office  = 20 ft + 16.4 ft  = 36.4 ft

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If x and y vary directly and x= 60 when y=5, what is the value of y when x=36?
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Step-by-step explanation:

8 0
4 years ago
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maksim [4K]
The answer is 80 degree just subtract 90 from 10
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