Evaluate -2x^2+3x-5 where x=4
Please help! It’s worth 35 points!...
![subject](/tpl/images/cats/mat.png)
Mathematics, 11.10.2020 01:01 314180
Evaluate -2x^2+3x-5 where x=4
Please help! It’s worth 35 points!
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 13:30
The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:30
The ratio of men to women working for a company is 4 to 5 . if there are 90 women working for the company, what is the total number of employees?
Answers: 1
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:20
Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/geografiya.png)
Geography, 21.09.2019 17:10
![question](/tpl/images/cats/mat.png)
Mathematics, 21.09.2019 17:10
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.09.2019 17:10
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.09.2019 17:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 21.09.2019 17:10
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 21.09.2019 17:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.09.2019 17:10
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 21.09.2019 17:10
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 21.09.2019 17:10