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DIA [1.3K]
3 years ago
13

Which of the following functions represents a cell phone bill if there is a monthly charge of 20 dollars plus 6 cents for each m

inute of use? f( x) = 20.06 x f( x) = 20 + 0.06 x f( x) = 20 + 6 x
Mathematics
1 answer:
pychu [463]3 years ago
3 0

Answer:

f(x)=20+0.06x

Step-by-step explanation:

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—BRAINLIEST—A person and a tree cast a shadow at the same time of day. Round your answer to the nearest hundredth.
stich3 [128]

Answer: 44.9 ft

Explanation: 5.6/8.1=0,6913 65•0,6913=44,94 ft

5 0
2 years ago
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Jack wants to fill a rectangular box with sand. The length of the sand box is 3 feet, width is 6 inches, and height is 2.4 inche
Aleksandr-060686 [28]
Jack would need to buy 2 bags of sand.
To find the answer you first have to find the volume of the rectangular box which can be found using the formula length times width times height (remember that the numbers have to have the same unit so it would look like 3 times .5 times .2 if you convert them all the feet). the volume of the box is equal to .3
Then you could set the volume of the box equal to .15x to find how many boxes he would need. The formula would be .15x=.3
Divide by .15 to get x alone and you get 2 for the answer.
3 0
3 years ago
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A computer program contains one error. In order to find the error, we split the program into 6 blocks and test two of them, sele
Aleksandr-060686 [28]
There are \dbinom62 ways of selecting two of the six blocks at random. The probability that one of them contains an error is

\dfrac{\dbinom11\dbinom51}{\dbinom62}=\dfrac5{15}=\dfrac13

So X has probability mass function

f_X(x)=\begin{cases}\dfrac13&\text{for }x=1\\\\\dfrac23&\text{for }x=0\end{cases}

These are the only two cases since there is only one error known to exist in the code; any two blocks of code chosen at random must either contain the error or not.

The expected value of finding an error is then

\displaystyle\sum_{x=0}^1xf_X(x)=0\times\dfrac23+1\times\dfrac13=\dfrac13
7 0
3 years ago
Which of the following is a trinomial with a constant term?
Cloud [144]

Option D x+2y+10 .

A trinomial with a constant term will have three terms, and one of those terms will be a constant, which is a number.

we also know about the Constant

A fixed value. In Algebra, a constant is a number on its own, or sometimes a letter such as a, b or c to stand for a fixed number.

Some relatable terms are :

Monomial: Polynomial having a single term.

Binomial: Polynomial having two terms.

Trinomial: Polynomial having three terms.

In given option we'll define

in option A there is no constant .

option B there i sonly given x which is also not constant.

further in option c it is simply binomial in which only two terms are given without constant .

so at last conclusion is in option D there are three terms are given with one constant which is number 10 .

x+2y+10 is trinomial with a constant.

For more information about Polynomial

visit  brainly.in/question/3793499

#SPJ9

8 0
1 year ago
True or false: every point in quadrant III is mapped to a point in quadrant IV
strojnjashka [21]

hey the answer is true


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2 years ago
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