![subject](/tpl/images/cats/mat.png)
Mathematics, 07.12.2019 00:31 kfull7053
Solve the following system of equation
2x + 3y - z = 1
3x + y + 2z = 12
x + 2y - 3 = -5
a) (3 , 1 , 2)
b) (-3 , 1 , 2)
c) (3 , -1 , 2)
d) (3 , 1 , -2)
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/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 16:00
In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:40
The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00
For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:30
Kayla made observations about the sellin price of a new brand of coffee that sold in the three different sized bags she recorded those observations in the following table 6 is $2.10 8 is $2.80 and 16 is to $5.60 use the relationship to predict the cost of a 20oz bag of coffee.
Answers: 3
You know the right answer?
Solve the following system of equation
2x + 3y - z = 1
3x + y + 2z = 12
x + 2y...
2x + 3y - z = 1
3x + y + 2z = 12
x + 2y...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 24.06.2019 14:30
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 24.06.2019 14:30
![question](/tpl/images/cats/mat.png)
Mathematics, 24.06.2019 14:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 24.06.2019 14:30
![question](/tpl/images/cats/istoriya.png)
History, 24.06.2019 14:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 24.06.2019 14:30