(X/2-3) - (4χ²+ x-4)

Mathematics

1 answer:

elixir [45]3 years ago

7 0

(x/2 - 3) - (4x^2 + x - 4)

(x/2 - 3) - (16x + x - 4)

(1/2x - 3) - (17x - 4)

-16.5x - 1

I believe that is the correct answer.

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A rectangular parking lot at the megamall is 7/10 mile long and 1/4 mile wide. How much fencing is needed to enclose the lot?

iris [78.8K]

Greetings!

"<span>A rectangular parking lot at the mega-mall is 7/10 mile long and 1/4 mile wide. How much fencing is needed to enclose the lot?"...

This question is essentially asking to solve for the perimeter. The formula for the perimeter of a rectangle is:
</span> $2(l+w)$

Input the information we already know:
$2(7/10+1/4)$
Find A common denominator.
$2(14/20+5/20)$
Simplify.
$2(19/20)$
$2/1(19/20)$
$38/20$
Reduce to Lowest Terms.
$=19/10$
or
$=1 9/10$

1 9/10 miles of fencing will be required to enclose the entire lot.

Hope this helps.
-Benjamin

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4 years ago

Jill and Erika made 5 gallons of lemonade for their lemonade stand. How many quarts did they make? If they charge $2.50 per quar

yawa3891 [41]

a. How many quarts did they make is 25 quarts of lemonade

b. How much money will they make if they sell it all is $62.50

a. Calculation to determine How many quarts did they make.

Given: 1 gallon =5 quarts

Hence:

5 gallons of lemonade=5×5 quarts of lemonade

5 gallons of lemonade=25 quarts of lemonade

b. Calculation to determine how much money will they make if they sell it all