Are these two lines perpendicular?
Line 1: y-1=3(x+7)
Line 2: y-19=-1/2(x+1)...
![subject](/tpl/images/cats/mat.png)
Mathematics, 06.02.2021 02:20 amy1912
Are these two lines perpendicular?
Line 1: y-1=3(x+7)
Line 2: y-19=-1/2(x+1)
![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 17:00
Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 02:20
According to the general equation for conditional probability, if p(ab) = 4/5 and p(b)= 5/6, what is p(a|b)? a. 8/9 b. 35/36 c. 24/25 d. 15/16
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 02:30
Apossible wavelength for the color blue is 0.000000492 meter. which of the following is a reasonable estimate for this wavelength for the color blue? a. 5 × 10-6 m b. 5 × 107 m c. 5 × 10-7 m d. 5 × 106 m
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 03:00
Define the type of sequence below. -2,0,2,4,6 a. both arithmetic and geometric b. arithmetic c. neither arithmetic nor geometric d. geometric
Answers: 3
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/User.png)
SAT, 08.01.2021 18:20
![question](/tpl/images/cats/mat.png)
Mathematics, 08.01.2021 18:20
![question](/tpl/images/cats/mat.png)
Mathematics, 08.01.2021 18:20
![question](/tpl/images/cats/istoriya.png)
History, 08.01.2021 18:20
![question](/tpl/images/cats/istoriya.png)
History, 08.01.2021 18:20
![question](/tpl/images/cats/es.png)
Spanish, 08.01.2021 18:20
![question](/tpl/images/cats/mat.png)
Mathematics, 08.01.2021 18:20
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 08.01.2021 18:20
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 08.01.2021 18:20
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 08.01.2021 18:20
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/fizika.png)
Physics, 08.01.2021 18:20