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LiRa [457]
3 years ago
13

What’s 3/4 of 2/5 ? ** I WILL MAKE UP BRAIN LIST OR SOMETHING

Mathematics
1 answer:
Yanka [14]3 years ago
7 0

Answer:

\frac{3}{10}

Step-by-step explanation:

=  \frac{3}{4}  \times  \frac{2}{5}

=  \frac{3 \times 2}{4 \times 5}

=  \frac{6}{20}

=  \frac{6 \div 2}{20 \div 2}

=  \frac{3}{10}

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Answer:

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Step-by-step explanation:

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3 years ago
The wildflowers at a national park have been decreasing in numbers. There were 300 wildflowers in the first year that the park s
Scorpion4ik [409]
Although the number of new wildflowers is decreasing, the total number of flowers is increasing every year (assuming flowers aren't dying or otherwise being removed). Every year, 25% of the number of new flowers from the previous year are added.
The sigma notation would be:
∑ (from n=1 to ∞) 4800 * (1/4)ⁿ , where n is the year. 
Remember that this notation should give us the sum of all new flowers from year 1 to infinite, and the values of new flowers for each year should match those given in the table for years 1, 2, and 3
This means the total number of flowers equals:
Year 1: 4800 * 1/4 = 1200 ]
+
Year 2: 4800 * (1/4)² = 300
+ 
Year 3: 4800 * (1/4)³ = 75
+  
Year 4: 4800 * (1/4)⁴ = 18.75 = ~19 (we can't have a part of a flower)
+
Year 5: 4800 * (1/4)⁵ = 4.68 = ~ 5
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Year 6: 4800 * (1/4)⁶ = 1.17 = ~1
And so on. As you can see, it in the years that follow the number of flowers added approaches zero. Thus, we can approximate the infinite sum of new flowers using just Years 1-6:
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8 0
3 years ago
How do I divide pi by 1000?
Leokris [45]

Just as you would do it with any other number.

Write out some of it, then move the decimal point 3 places this way <=== .

Some of pi :                   3.14159 

Divide by 1,000 :     0.00314159

8 0
3 years ago
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EleoNora [17]

Answer:

True

Step-by-step explanation:

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This is a true statement

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2 years ago
In his Fourth of July speech, Douglass says that "above your national, tumultuous joy, I hear the wail of millions.” To what is
krok68 [10]
I think that what Frederick Douglass meant by the "wail of millions" is that while the 4th of July is a great day to be celebrated by non-African American people as it meant the true independence of the 13 colonies from Great Britain and freedom for many of its citizens, in fact slavery is still intact at the time of his speech in 1852 and so July 4th cannot be celebrated by the vast majority of the black people in the US who are still under the terrible yoke of slavery.
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3 years ago
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