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3 years ago

Find set of values of experssion (x + y)(3 - 4xy) if x ^ 2 + y ^ 2 = 3

Mathematics

1 answer:

igor_vitrenko [27]3 years ago

3 0

122nsnznxnbfjxkndnrnndjcjchdbdnnd

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Find the equation of the exponential function represented by the table below:

IgorC [24]

Answer:

$y=2^{1-x}$

Step-by-step explanation:

Exponential Function

When we need to express the exponential relation between two variables, we use the equation

$y=Cr^{x}$

where C, r are constants to be determined by using the given points from the table

For x=0, y=2, thus

$2=C.r^{0}=C$

We find that C=2

The equation is now

$y=2r^{x}$

Now we use the point x=1, y=1

$1=2r$

We find that

$\displaystyle r=\frac{1}{2}$

Thus, the equation is

$\displaystyle y=2\left(\frac{1}{2}\right)^{x}$

Rearranging

$y=2(2)^{-x}=2^{1-x}$

The required equation is

$y=2^{1-x}$

We can easily verify the last two points are also obtained by using the equation

7 0

3 years ago

Bryan owes his friend more than $1,930 from a loan. Bryan has already paid his friend back $200 and continues to pay him $173 ea

Ann [662]

Answer:

Choice C

Step-by-step explanation:

Bryan owes MORE than $1930 which means how much he pays back is going to be greater than 1930$

And so, $200 + $173 for certain number of months is going to be more than 1930.

Therefore, $200+ $173x >$1930

Hope this helped..

Have a great day : )

8 0

2 years ago

What makes a sample random

Yuliya22 [10]

Answer:

A simple random sample is a subset of a statistical population in which each member of the subset has an equal probability of being chosen. ... An example of a simple random sample would be the names of 25 employees being chosen out of a hat from a company of 250 employees

Step-by-step explanation:

i searched it up

7 0

3 years ago

Read 2 more answers

Find each Unit rate:

raketka [301]

The unit rate is 2.5 meters in 1 second

40/16=2.5

5 0

3 years ago

Read 2 more answers

Estimate -9 1/6 + 2 1/3 +(-1 7/8