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jek_recluse [69]
3 years ago
10

Estimate Four over five subtracted by 1/2

Mathematics
1 answer:
Valentin [98]3 years ago
3 0

Answer:

Exact form : 3/10

Decimal form : 0.3

Step-by-step explanation: To subtract fractions, find the LCD (Least Common Denominator) and then combine.

Hope this helps you out! If you need anymore help with math, let me know and I will be more than happy to help you out! ☺

-Karleif Jonsi-

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The bids in an online auction are represented by the arithmetic sequence shown below. Write an explicit formula to represent the
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....

aₙ = 207+9*(n-1)

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Read 2 more answers
By what percent will the product of two numbers decrease if one of them is decreased by 25% and the other one is decreased by 50
olchik [2.2K]
Well, let's say the numbers are "a" and "b"

so a * b = ab

ok... now, if we reduce "a" by 25%, that means the new size is just 75% of the old one, how much is 75% of a? well, (75/100) * a, or 0.75a

now let's reduce "b" by 50%, that means the new size is 50% or half,  how much is 50% of b? well (50/100)*b, or 0.5b

\bf \begin{cases}&#10;a\cdot b\implies  ab\\&#10;0.75a\cdot 0.5b\\&#10;\qquad 0.75\cdot 0.5ab\\&#10;\qquad 0.375ab&#10;\end{cases}

now, the new size of "ab" is just 0.375ab... well, let's revert the decimal format by simply multiplying by 100

0.375 * 100, is 37.5%

the new size of "ab" is just 37.5% of the original "ab"

it decreased by 100 - 37.5 or 62.5%
5 0
3 years ago
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