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mash [69]
3 years ago
12

Plz explain.

Mathematics
1 answer:
slega [8]3 years ago
8 0
Idk, why does the world need problems like this, not like everyone is going to grow up to be a math teacher.
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Larry and Donna bought a sofa at the sale price of $1,344. The original price of the sofa was $1,920. Find the discount rate
velikii [3]

Answer:

30% discount

Step-by-step explanation:

To find the percent discount write a proportion.

\frac{1344}{1920}=\frac{x}{100}

Cross multiply numerator with denominator of each fraction to solve for x.

1344(100) = 1920(x)

134400 = 1920x

70 = x

This means you pay 70% of the price. The discount was 30%.

8 0
3 years ago
1. Bill decided to buy six books on history instead
bulgar [2K]

Answer: 2/3 books on politics

Step-by-step explanation:

The opportunity cost of something is the next best alternative that you would have taken if you did not instead go for the option that you took.

Opportunity cost here is the number of books on politics that Bill had to give up to get a single book on history.

= Number of politics books / Number of history  books

= 4 / 6

= 2/3 books on politics

<em>Bill gave up 2/3 books on politics to get a single history book. </em>

6 0
3 years ago
Please solve this and give answer
Nikolay [14]

Answer:

Step-by-step explanation:

4 0
3 years ago
In the formula I=prt, what is the value of t
maxonik [38]
You divide both sides by pr to get t on one side.
1=prt
= 1/pr=t
So the answer is one as the numerator and pr as the denominator
1/pr
6 0
3 years ago
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The number 27 is a perfect cube. 3 times 3 times 3 equals 27. find four other numbers that are perfect cubes and two numbers tha
yKpoI14uk [10]

Answer:

Numbers that aren't: 35 and 43. It can literally be any number.

Perfect cubes: 8,64,125,216. You can find perfect cubes by cubing any number. For example 6^3 (6 to the power of 3) is 216. A perfect cube.

6 0
3 years ago
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