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slamgirl [31]
3 years ago
11

Can someone help me answer questions

Mathematics
1 answer:
ANEK [815]3 years ago
5 0
Add 6 to both sides
2m2+7m+6=0
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The amount of sales tax on a new car is directly proportional to the purchase price of the car. Victor bought a new car for $30,
Airida [17]

Answer:

Rita paid 47,500 dollars for the purchase price.

Step-by-step explanation:

We are given the sales tax on a new car is directly proportional to the purchase price of the car which means there is is something k such that

when you multiply it to the sales tax you get the purchase price.

Let's set this equation:

y=kx

Let y represent the purchase price and x the sales tax.

The second sentence tells us that (x,y)=(1500,30000).

We can plug this into y=kx to find the constant k.  (Constant means it stays the same no matter what the input and output is).

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30000=k(1500)

300    =k(15)      I went ahead and divided previous equation by 100.

Now divide both sides by 15:

300/15=k

Simplify:

20=k

So the equation to use the answer the question is

y=20x

where y is purchase price and x is sales tax.

So we want to know the purchase price on a car if the sales tax is 2375.

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3 years ago
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24% of what number is 72
nignag [31]

Answer:

300

Step-by-step explanation:

24% × x = 72

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× x = 72

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x = 300

Hope it helps

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A ruler to measure the length of an object.
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