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aivan3 [116]
3 years ago
13

For inverse variation , what is the formula for y ​

Mathematics
1 answer:
Vanyuwa [196]3 years ago
8 0

Answer:

Some few inverse variation formulae are given below.

Step-by-step explanation:

If y varies inversely as x, then we can write the relation:

y \propto \frac{1}{x}

When we introduce the constant of proportionality we get:

y =  \frac{k}{x}

Or

xy = k

The constant k is referred to as the constant of variation or constant of proportionality.

Similarly, if y varies inversely as the square of x, then the formula for y becomes:

y =  \frac{k}{ {x}^{2} }

Also

y =  \frac{k}{ \sqrt{x}  }

is also an inverse variation formula for y.

etc

I hope this explanation will help you answer the complete question.

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30 points + Brainliest
I am Lyosha [343]

Your answer is A. If we find the slope of the line and draw it out farther, we can see that the points 4,7,10, and 13 would fall on that line.

6 0
3 years ago
Read 2 more answers
I have a two digit number the sum of the digits is 12 the first digit is 4 Less Than 3 times the second what is my number​
nignag [31]

Answer:

84

Step-by-step explanation:

Let the first digit = x

Let the second digit =y

x + y = 12

x + 4 = 3*y

===========

From the second equation, we learn that x = 3y - 4

Put that into the first equation.

3y - 4 + y = 12          Combine the left side

4y - 4 = 12                Add 4 to both sides

4y = 16                     Divide by 4

4y/4 = 16/4        

y = 4  

=================

x + 4 = 12

x + 4 - 4 = 12-4

x = 8

So the number is 84

3 0
2 years ago
Find the mean age of the swimmers on the team. ​
kap26 [50]
<h3>Answer:  10</h3>

============================================

Work Shown:

First add up all the ages

9+13+9+10+10+9+10+10+11+9 = 100

Then divide that sum by 10, since there are 10 values we added up

100/10 = 10

The average age is 10 years old.

5 0
3 years ago
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Justin deposited $2,000 into an account 5 years ago. Simple interest was paid on the account. He has just withdrawn $2,876. What
sdas [7]

Answer: 8.76\%

Step-by-step explanation:

The formula to find the final amount after getting simple interest :

A=P(1+rt), where P is the principal amount , r is rate of interest ( in decimal )and t is time(years).

Given : Justin deposited $2,000 into an account 5 years ago.

i.e. P = $2,000 and  t= 5 years

He has just withdrawn $2,876.

i.e. we assume that A = $2876

Now, Put all the values in the formula , we get

(2876)=(2000)(1+r(5))\\\\\Rightarrow\ 1+5r=\dfrac{2876}{2000}\\\\\Rightarrow\ 1+5r=1.438\\\\\Righhtarrow\ 5r=0.438\\\\\Rightarrow\ r=\dfrac{0.438}{5}=0.0876

In percent, r=0.0876\times100=8.76\%

hence, He earned 8.76\% of interest on account.

6 0
3 years ago
Please help me with this math
Lynna [10]
Number 3: 176 squared cm
7 0
2 years ago
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