subject
Mathematics, 03.12.2020 01:50 stephany6523

Review the following information about vectors q and r. q = ⟨–4, 1⟩

r = ⟨a, 3⟩

7(q + r) = ⟨–35, 28⟩

What is the value of a?

–31
–7
–5
–1

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 17:00
If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)
Answers: 2
question
Mathematics, 21.06.2019 17:50
To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1
Answers: 1
question
Mathematics, 21.06.2019 19:10
How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.
Answers: 1
question
Mathematics, 21.06.2019 20:00
Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?
Answers: 1
You know the right answer?
Review the following information about vectors q and r. q = ⟨–4, 1⟩

r = ⟨a, 3⟩
Questions
question
Chemistry, 19.11.2019 09:31
question
Mathematics, 19.11.2019 09:31
question
Biology, 19.11.2019 09:31
question
Mathematics, 19.11.2019 09:31
question
Mathematics, 19.11.2019 09:31
question
Mathematics, 19.11.2019 09:31
question
Mathematics, 19.11.2019 09:31
Questions on the website: 13722361