1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
s344n2d4d5 [400]
4 years ago
12

Let u = <-8, -9>. Find 7u. (2 points)

Mathematics
1 answer:
ANEK [815]4 years ago
4 0

Multiplying a vector by a scalar means to multiply each coordinate of the vector by said scalar.

So, we must multiply both entries by 7:

u=(-8, -9)\implies 7u=(-8\cdot 7, -9\cdot 7) = (-56, -63)

You might be interested in
My number is less than 50. - it is a factor of 70. - it is a multiple of 5 and 7. what is minnu's number? a. 5 b. 35 c. 14 d. 70
Nostrana [21]

Answer:

B) 35

Step-by-step explanation:

35 is less than 50 and it's a factor of 70, a multiple of 5 and 7 is 35 just by multiplying the numbers it will give you that answer.

6 0
2 years ago
I dont understand how to do the 2x part.
kodGreya [7K]

Answer:

x=6 2/3

Step-by-step explanation:

Ratio of DEF:ABC=5/3

8*5/3=13 1/3

x=6 2/3


4 0
3 years ago
Need help please and thank you
Lady_Fox [76]

Answer:

the answer is 10000n:

8 0
3 years ago
10 times what equals215
brilliants [131]
 21.5  x 10  =  215 

Move the decimal point over to the right the number of zeros there are in the second number
4 0
3 years ago
Write a fraction with a denominater of 6 that is greater than 4/2
Strike441 [17]
Anything over 12/6 will be greater than 4/2 such as 19/6 or 28/6
7 0
3 years ago
Other questions:
  • The sale price of a sweater is $48. The price is 20% less than the original price. What was the original price.
    13·1 answer
  • Amanda uses the equation y = kx to determine how much money (y) she earns after working any number of hours (x). Amanda earned $
    11·2 answers
  • Marcus, Jonathan and dennis went on a camping trip. Marcus ate 1/4 of thr granola bars, Jonathan att 1/2 of thr granola bars. De
    5·1 answer
  • Someone help me with multiplying and dividing with scientific notation
    9·1 answer
  • What is -r + 6 + 8r – 14 pls answer quickly
    14·2 answers
  • (06.04)<br> What is the value of 6 + 2x when x = 5?<br> 13<br> 16<br> 40
    6·1 answer
  • Find the exact length of the third side .
    14·1 answer
  • If two parallel lines are cut by a transversal, then the same side interior angles are
    11·2 answers
  • please pleasee help! :(
    7·1 answer
  • 1. Find the radian measure for 150 degrees.
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!