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
Sati [7]
3 years ago
5

find the inner product for (3,5) x (4,-2) and state whether the vectors are perpendicular. a.1; no b.1;yes c.2; no d.2; yes

Mathematics
1 answer:
MakcuM [25]3 years ago
5 0

Answer:

  c.  2; no

Step-by-step explanation:

The inner product is the sum of the products of corresponding vector components. It is a scalar value, not a vector value.

  (3, 5)·(4, -2) = (3)(4) +(5)(-2) = 12 -10 = 2

When the inner product is non-zero, the vectors are not perpendicular. (The yes answers with a non-zero value can be rejected out of hand.)

The appropriate choice is ...

  2; no

You might be interested in
Stephanie ran 1 lap in 6 minutes. At the rate, how far would she run in 30 minutes. Use rates. Show all your work.
Delicious77 [7]
Since 1 lap I every 6 minutes then 30\6 is 5 so the answer is 5 LAPS
8 0
3 years ago
Read 2 more answers
Y=-x^2-10x+24 What is the y value of the vertex?
emmasim [6.3K]

Answer:

Step-by-step explanation:

1.) Get the equation in the form y = ax^2 + bx + c.

2.) Calculate -b / 2a. This is the x-coordinate of the vertex.

3.) To find the y-coordinate of the vertex, simply plug the value of -b / 2a into the equation for x and solve for y. This is the y-coordinate of the vertex.

1.) y = -x^2 - 10x + 24

2.) -(-10) / 2(-1) = -5

3.) y = -(-5)^2 - 10(-5) + 24

    y = -25 + 50 + 24

    y = 49

7 0
3 years ago
Lexi had 3/4 of an apple pie. She gave 1/4 of what she had to her friend Julie. What fraction of the whole pie did Julie get?
Murljashka [212]

Answer:

<u>3/16 of the whole pie</u>

Step-by-step explanation:

Lexi had 3/4 of an apple pie. She gave 1/4 of it to Julie. That means what Julie receives is the product of the whole and the portion.

==========================================================

Solving :

Therefore, the equation is :

⇒ 3/4 × 1/4

⇒ <u>3/16 of the whole pie</u>

4 0
2 years ago
The table shows the depth of a submarine over a 2 hour period. Did the sub go up or down?By how much?
hichkok12 [17]
If the sub is closer to the surface later, we thus know that it traveled upwards.

4 0
3 years ago
Read 2 more answers
20% of the patron's order the chef's special. The probability that 2 out of the next ten customers will order the chef's special
kotegsom [21]

Answer:

P(x =2) = 0.3020

Step-by-step explanation:

Given

p =20\% = 0.20

n = 10

Required

P(x = 2)

This question is an illustration of binomial distribution where:

P(X = x) = ^nC_x * p^x * (1 - p)^{n-x

So, we have:

P(x =2) = ^{10}C_2 * 0.20^2 * (1 - 0.20)^{10-2}

P(x =2) = ^{10}C_2 * 0.20^2 * 0.80^8

This gives

P(x =2) = \frac{10!}{(10 - 2)!2!} * 0.20^2 * 0.80^8

P(x =2) = \frac{10!}{8!2!} * 0.20^2 * 0.80^8

Expand

P(x =2) = \frac{10*9*8!}{8!2*1} * 0.20^2 * 0.80^8

P(x =2) = \frac{10*9}{2} * 0.20^2 * 0.80^8

P(x =2) = 45 * 0.20^2 * 0.80^8

P(x =2) = 0.3020

5 0
2 years ago
Other questions:
  • A bug splatters on the windshield of a moving car. Describe the 1. Forces 2. Impulses 3. Momentum changes 4. And accelerations o
    6·1 answer
  • A rock is thrown from the top of a tall building.The distance in feet between the rock and the ground t seconds after thrown is
    13·1 answer
  • Is 7/20 equivalent to 7 hundreds
    8·1 answer
  • Vince bought 6 boxes of worms to use as bait while fishing with his friends. If each person uses exactly 3/8 of a box of worms,
    12·1 answer
  • What is the volume of the prism below?
    14·1 answer
  • PLEASE HELP! I REALLY NEED IT
    11·2 answers
  • If you want to buy an item in a store that costs $36.50 and is on sale for 40% off, then how much would the item actually cost y
    15·1 answer
  • Money that you save in a bank account can grow. Money that you borrow from a bank is not free.
    14·1 answer
  • I need help with a and b
    6·1 answer
  • Let F = ∇f, where
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!