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labwork [276]
3 years ago
14

Which of the following expresses the possible number of positive real solutions for the polynomial equation shown below?

Mathematics
2 answers:
AleksandrR [38]3 years ago
6 0
6x^2-7x+28 is the correct answer:)
Svetradugi [14.3K]3 years ago
3 0

Answer:

Step-by-step explanation:

5x^2+x^2-7x+28

6x^2-7x+28

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Find a line that is parallel to y=-2x+7 and passes through a point of (1,-1)
navik [9.2K]

Answer:

y=-2x +1

Step-by-step explanation:

hope this helps

6 0
3 years ago
Currently, the number of people entering a shopping mall is 109. It is estimated that the number of people entering the shopping
seropon [69]

Answer:

96 people.

Step-by-step explanation:

Exponential equation for a decreasing amount:

The exponential equation for a decreasing amount is given by:

A(t) = A(0)(1-r)^t

In which A(0) is the initial rate and r is the decay rate, as a decimal.

Currently, the number of people entering a shopping mall is 109.

This means that A(0) = 109

It is estimated that the number of people entering the shopping mall will decrease by 3% each hour.

This means that r = 0.03

So

A(t) = A(0)(1-r)^t

A(t) = 109(1-0.03)^t

A(t) = 109(0.97)^t

Find the total number of people entering the shopping mall at the end of 4 hours.

This is A(4). So

A(4) = 109(0.97)^4 = 96.49

Rounding to the nearest whole number, 96 people.

6 0
3 years ago
Do not understand please help <br> Thank u
AysviL [449]

Answer:

43.4

Step-by-step explanation:

You will need to use the phythagoream therom, which is a² + b² = c².  Plug the values in for the variables to get 7² + b² = 44², (c would equal the hypothenuse because the hypothenuse is the longest side of the triangle.)  Square the values to get 49 + b² = 1936.  Subtract 49 from both sides to get b² = 1887, then take the square root of both sides to get b = 43.4 (rounded to the nearest tenth.)  

I am really sorry if I'm wrong, but have a good day/night!  :)

6 0
3 years ago
Read 2 more answers
Please help asap!!<br> Answer this using a graphing method please!
Zepler [3.9K]

Answer:

the connection is at 4 on x axis and 5 on y axis, so the solutions are x=4; y=5

3 0
3 years ago
Find the percent.<br>3 is what percent of 8?​
shepuryov [24]

Answer:

37.5

Step-by-step explanation:

3/8

3 divided by 8= .0375

.0375 times 100= 37.5

5 0
3 years ago
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