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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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6. Commerce Bank hired Pete Drexel as its new branch office
hammer [34]

Question

How much did the bank spend on him that year?

Answer:

$60101.12

Step-by-step explanation:

Apart from salary of 59500.00 the company incurred additional charges which we add to give 421.27+85.25+94.60=$601.12

Total amount will be 59500.00+601.12=$60101.12

5 0
3 years ago
You hear on the local news that for the city of kalamazoo, the proportion of people who support president obama is 0.63. however
andrew-mc [135]
At the standard 0.05 value, this is not significant, however at a 0.01 level, it would be significant
5 0
3 years ago
Diego thinks that x = 3 is a solution to the equation x2 = 16. Do you agree? Explain or show your reasoning.
dlinn [17]

Answer:

No

Step-by-step explanation:

f(x) = x²

f(3) = 3²

     = 3 × 3

     =  9    Not 16

also

√16 = 4

8 0
3 years ago
Which number is a solution of the inequality?
padilas [110]

we know that

A number is an inequality solution if the number satisfies the inequality

<u>Part 1)</u> 10.6 < b

rewrite the inequality

b > 10.6

The answer Part 1) is the option D 14

Because  14 satisfies the inequality

14 > 10.6 -----> is true

<u>Part 2)</u> m > 7/12

The answer Part 2) is the option A 1

Because  1 satisfies the inequality

1 > 7/12 -----> is true

<u>Part 3)</u> 8< x(7-x)

we're going to verify every case

<u>case A)</u> For x=2

substitute the value of x in the inequality

8< 2(7-2)

8< 10 ------> is true

therefore

The number 2 is a solution

<u>case B)</u> For x=8

substitute the value of x in the inequality

8< 8(7-8)

8< -8 ------> is not true

therefore

The number 8 is not a solution

<u>case C)</u> For x=-1

substitute the value of x in the inequality

8< -1(7-(-1))

8< -8 ------> is not true

therefore

The number -1 is not a solution

<u>case D)</u> For x=0

substitute the value of x in the inequality

8< 0(7-0)

8< 0 ------> is not true

therefore

The number 0 is not a solution

therefore

The answer Part 3) is the option A 2

6 0
3 years ago
Read 2 more answers
-3(5x + 7) + 2x – 3 = 5.x - 8 - 13​
ratelena [41]

Answer:

x=-7

Step-by-step explanation:

Simplifying

3(x + -2) = 5x + 8

Reorder the terms:

3(-2 + x) = 5x + 8

(-2 * 3 + x * 3) = 5x + 8

(-6 + 3x) = 5x + 8

Reorder the terms:

-6 + 3x = 8 + 5x

Solving

-6 + 3x = 8 + 5x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-5x' to each side of the equation.

-6 + 3x + -5x = 8 + 5x + -5x

Combine like terms: 3x + -5x = -2x  

-6 + -2x = 8 + 5x + -5x

Combine like terms: 5x + -5x = 0

-6 + -2x = 8 + 0

-6 + -2x = 8

Add '6' to each side of the equation.

-6 + 6 + -2x = 8 + 6

Combine like terms: -6 + 6 = 0

0 + -2x = 8 + 6

-2x = 8 + 6

Combine like terms: 8 + 6 = 14

-2x = 14

Divide each side by '-2'.

x = -7

Simplifying

x = -7

8 0
3 years ago
Read 2 more answers
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