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stepan [7]
3 years ago
11

Suppose that y varies inversely with x. Write a function that models the inverse function. x = 5 when y = 7

Mathematics
2 answers:
Dovator [93]3 years ago
6 0
Varying inversely means y=a number divided by x
find the number: 7=k/5 =>k=35
so the equation is y=35/x
mr Goodwill [35]3 years ago
6 0

Answer:

y=35\times\frac{1}{x}

Step-by-step explanation:

Given :  y varies inversely with x

To Find: Write a function that models the inverse function. x = 5 when y = 7

Solution:

We are given that  y varies inversely with x

So, y \propto \frac{1}{x}

\Rightarrow y=k\times\frac{1}{x} ---A

where k is the constant of proportionality

Now we are given that x = 5 when y = 7

So,  \Rightarrow 7=k\times\frac{1}{5}

\Rightarrow 35=k

Substitute the value of k in A

\Rightarrow y=35\times\frac{1}{x}

Hence a function that models the inverse function is y=35\times\frac{1}{x} .

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SOVA2 [1]

Answer:

they are complementary

Step-by-step explanation:

4 0
3 years ago
8(5-32) equal to and explain <br> please help
Gre4nikov [31]
You would use order of operations: PEMDAS
P(parenthesis) E(exponents) MD(multiplication/division) AS(addition/subtraction)
with MD and AS order doesnt matter.
8(5-32) you would start with inside the Parenthesis for "P" so (5-32)=(-27)
next you would go to the E but because you dont have an exponent you go to the next step with is the "MD" you have multiplication so next would be 8(-27) and 8 multiplied by -27 is: 8(-27)= -216
ANSWER: -216
4 0
3 years ago
Read 2 more answers
a probability experiment consists of fair eight sided die find the probability of rolling number greater than 4 ​
Lunna [17]

Answer:

Probability[Number greater than 4] = 1/2

Step-by-step explanation:

Given:

Total side of die = 8

Find:

Probability[Number greater than 4]

Computation:

Number greater than 4;

[5,6,7,8]

Total number greater than 4 = 4

Probability[Number greater than 4] = Total number greater than 4 / Total side of die

Probability[Number greater than 4] = 4 / 8

Probability[Number greater than 4] = 1/2

3 0
3 years ago
your customer count for last week was 5417. Due to a product promotion you expect a 2.4% increase this week over last week. how
Sauron [17]
The answer would be 5547
First you multiply 5417 and 2.4% to get 130.008
Then you add 130.008 and 5417 to get 5547.008
but you can round this to 5547
Hope this helped! :)
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A bakery bakes 728 trays of cookies in a day. How many trays of cookies can the bakery make in 43 days?
musickatia [10]

Answer:

There will be 31,304 trays of cookies in 43 days.

Step-by-step explanation:

728 = 1 day

728 x 43 = 31,304

5 0
3 years ago
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