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MArishka [77]
3 years ago
9

What is the reciprocal of 7 1/3?

Mathematics
2 answers:
Andrei [34K]3 years ago
7 0
The reciprocal is -3/23.
Arlecino [84]3 years ago
5 0
The reciprocal is 3/22 because 7 1/3 is equal to 22/3 and that flipped is 3/22

I hope this helped
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State the open intervals over which the function is (a) increasing, (b) decreasing or (c) constant
ipn [44]

Answer:

a. [-3, 4]

b. (-inf, -3]

c. [4, inf)

Step-by-step explanation:

Our intervals will represent the x-values

We know that since there's an arrow pointing to the left of the line that it goes on infinitely

Same thing when the arrow is going to the right

Then we can just looking at the x-values on the graph for the intervals where it starts and stops

Hope this helps

Best of luck

3 0
2 years ago
During two years, the population of birds of an island became 7 times more than before. If the first year increase in the popula
9966 [12]

The percent increase of the second year was 85.71%

Step-by-step explanation:

The exponential growth formula is y=a(1+r)^x

where;

y=population after x years

a=original population

r=growth rate as a decimal

x=number of time interval that have passed

Let starting population be p

The first year increase in the population was 40% this means;

r=0.4 , x=1 and a=p thus the equation will be

y=p(1+0.4)^1 ⇒⇒y=1.4 p

In the second year the population of birds of an island became 7 times more than before which is 7p

7p= 7*1.4p= 9.8p

Increase will be;

9.8p-1.4p=8.4

% increase will be;

8.4/9.8 *100 =85.71%

Learn More

Percent increase: brainly.com/question/13882170

Keywords : population, birds, island,increase

#LearnwithBrainly

5 0
3 years ago
A ​$250 suit is marked down by 20​%. Find the sale price.
Olenka [21]
20% off $250, 250 x 0.2= 50
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6 0
3 years ago
Read 2 more answers
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The answer to your problem is 6,250,000
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Add the number that would make the<br> expression a perfect square.<br> x² - 4x +<br> Helppp me
galina1969 [7]

Answer:

x\left(x-4\right)

Step-by-step explanation:

xx-4x

6 0
3 years ago
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