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
baherus [9]
3 years ago
11

Find the inner product for (-8,2) (4.5,18) and state whether the vectors are perpendicular.

Mathematics
1 answer:
Anna71 [15]3 years ago
3 0

Answer: 0; Yes

Step-by-step explanation:

-8 x 4.5 = -36

2 x 18 = 36

-36 + 36 = 0

since the product is zero, the vectors are perpendicular

You might be interested in
What are the steps on how to copy an angle? (Geometry)
Juli2301 [7.4K]

Step-by-step explanation:

Make a point P that will be the vertex of the new angle.

From P, draw a ray PQ. ...

Place the compasses on point A, set to any convenient width.

Draw an arc across both sides of the angle, creating the points J and K as shown.

Hope this helps :)

4 0
3 years ago
A car gets 40 km per gallon of gasoline. How many gallons of gasoline would the car need to travel 1240 km
klasskru [66]
Do 1,240 divided by 40

= 31 gallons
6 0
3 years ago
Read 2 more answers
How many solutions can be found for the equation −4x − 11 = 2(x − 3x) + 13?
Allushta [10]
-4x - 11 = 2(x - 3x) + 13
-4x - 11 = 2x - 6x + 13
-4x - 11 = -4x + 13
-4x + 4x = 13 + 11
0 = 24...incorrect......no solutions for this problem
4 0
3 years ago
Read 2 more answers
John took all his money from his savings account. He spent $88 on a radio and 1/4 of what was left on presents for his friends.
gayaneshka [121]

Answer:

$968

Step-by-step explanation:

x= the money John originally had in his savings account

The statement says that John spent $88 on a radio and 1/4 of what was left on presents for his friends. This means that the remaining money is 3/4 of the total amount minus the money spent on the radio:

3/4(x-88)

Then, it says that of the money remaining, John put 4/11 into a checking account and the last remaining $420 was left to charity. Since, he spent 4/11 of the remining 3/4(x-88), the remaining is 7/11 of that and that remaining is equal to $420 that was the money left at the end:

7/11(3/4(x-88))= 420

21/44(x-88)=420

21/44x-42=420

21/44x=462

x=968

According to this, the money that John originally had in his savings account was $968.

He spent $88 on a radio: 968-88= 880

1/4 of what was left on presents for his friends: 880/4= 220

880-220=660

Of the money remaining, John put 4/11 into a checking account: 660*(4/11)=240

the last remaining $420 was left to charity: 660-240= 420

6 0
3 years ago
HELP PLEASE ASAP!!!<br><br> I NEED HELP AS SOON AS POSSIBLE PLEASE!
Alex

Answer:

c,d,a

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Other questions:
  • I need your help for 5 assignments I give 30 points !! +Brainliest
    8·2 answers
  • What is 17pi/4 in decimal form nearest the thousandth
    11·1 answer
  • The diameter of a circle is 3 times the side length of a square . If the square has an area if 144, what is the length of the ra
    5·1 answer
  • Name two 2 digit factors whose product is greater than 200 but less than 600
    9·2 answers
  • How do you do percent problems
    9·1 answer
  • How many inches are in 6 in a half yards?
    7·1 answer
  • As a salesperson, you are paid $50 per week plus $3 per sale. This week you want your pay to be at least $110. What is the minim
    7·1 answer
  • Can someone please help me out with number 3
    8·1 answer
  • What is the equation of the parabola shown in the graph
    10·1 answer
  • If you’re correct I’ll give u brainlist!!
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!