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polet [3.4K]
3 years ago
6

What are the solutions to the equation 3(x-4)(x+5)=0

Mathematics
1 answer:
VMariaS [17]3 years ago
6 0

Answer:

the solutions are 4 and -5

Step-by-step explanation:

3(x-4)(x+5)=0\\\\(x-4)(x+5)=0\\\\x-4=0\\\\x=4\\\\x+5=0\\\\x=-5

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In which of the following ways are linear systems similar to quadratic systems? Select all that apply.
alex41 [277]

The <em>correct answers</em> are:


A) Both can be solved by graphing;

C) Both can be solved by substitution; and

D) Both have solutions at the points of intersection.


Explanation:


Just as a system of linear equations can be solved by graphing, a system of quadratic equations can as well. We graph both equations. We then look for the intersection points of the graphs; these intersection points will be the solutions to the system.


We can also solve the system by substitution. If we can get one variable isolated, we can substitute this into the other equation to solve.

8 0
3 years ago
Read 2 more answers
The errors in predicting hurricane tracks are given in nautical miles. A statutory mile is 0.86898 nautical mile. Most people li
trasher [3.6K]

Answer:

The prediction error is calculated as the difference between the actual value and the predicted value of the hurricane tracks.

the actual and the predicted value can then be converted into stationary miles

Step-by-step explanation:

The prediction error is calculated as the difference between the actual value and the predicted value of the hurricane tracks.

Now,

both the values i.e the actual and the predicted value can then be converted into stationary miles using the conversion factor without changing the association with the year,

Hence,

it will do the same for the Prediction error.

5 0
3 years ago
In state tuition at a local college was $3809 last year. This year the tuition will be $4715. What is the percent increase of tu
Vinil7 [7]
First, we need to find the difference of the two, which is 4715-3809=906. After that, we need to figure out what percentage that if of 3809, which is rounded to 0.24 or 24%.
7 0
3 years ago
a.j. kept a record of his scores from playing his favorite video game: A. 18,359. B. 19,709. C. 20,809. D. 21,159 ?
Brilliant_brown [7]

Answer:

wheres the rest of the question or is that the whole question

Step-by-step explanation:

4 0
3 years ago
A bacteria culture initially contains 2000 bacteria and doubles every half hour.
dsp73

<em>Answer:</em>

<em>Can be found below</em>

<em>Step-by-step explanation:</em>

<em>Part A:</em>

<em>So we know that the bacteria doubles every (30) minutes.</em>

<em>2000 times 2 equals 4000 (30 minutes)</em>

<em>4000 times 2 equals 8000 (1 hour)</em>

<em>Answer for Part A:</em>

<em>8000 bacteria</em>

<em>Part B:</em>

<em>Now we do this function 2000(2)^14 (30 minutes long)</em>

<em>Answer to Part B: </em>

<em>I believe the answer is 32,768,000 (Please correct me if I'm wrong) </em>

<em>Hope I could help!! Have a great day/night!</em>

<em>Any constructional messages are greatly appreciated!!</em>

5 0
3 years ago
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