Rodrigo is looking at the system below.
2x + 3y = 9
x - 8y = 11
to...
![subject](/tpl/images/cats/mat.png)
Mathematics, 15.01.2020 00:31 mona92
Rodrigo is looking at the system below.
2x + 3y = 9
x - 8y = 11
to solve, he first multiplied the second equation by two and then subtracted the equations.
is rodrigo correct? justify your answer. if incorrect, describe the error
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:30
The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number
Answers: 1
![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 18:30
Mr. and mrs. wallace have decided to buy a car for $21,600. they finance $15,000 of it with a 5-year auto loan at 2.9% arp. what will be their monthly payment be? a. $268.20 b. $268.86 c. $269.54 d. $387.16 i need !
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:50
Given: pqrs is a parallelogram prove: pr and qs bisect each other at t
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 09.12.2020 07:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 09.12.2020 07:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 09.12.2020 07:00
![question](/tpl/images/cats/mat.png)
Mathematics, 09.12.2020 07:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 09.12.2020 07:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 09.12.2020 07:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 09.12.2020 07:10
![question](/tpl/images/cats/istoriya.png)
History, 09.12.2020 07:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)