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
Setler [38]
4 years ago
10

Find a ⋅ b.

Mathematics
1 answer:
SpyIntel [72]4 years ago
5 0
The answer is 41 (Option A)


Expalanation

Given,
a = <7, 4>
b = <3, 5>

<span>We are told to find a ⋅ b (which is a scaler product)</span>


Taken that,

a = <x₁, y₁> 

b = <x₂, y₂>


a ⋅ b = x₁x₂ + y₁y₂

<span>a ⋅ b = (7 * 3) + (4 * 5)</span>

a ⋅ b = 21 + 20

a ⋅ b = 41 (OPTION A)

You might be interested in
Gasoline prices occasionally fluctuate during a two-month period of time. Prices increased 34 cents per gallon during the month
galben [10]
The answer is B, <span>Increase of 34 cents; |34|=34,|-17|=17,and 34>17</span>
7 0
4 years ago
Read 2 more answers
A card is drawn from a well-shuffled deck of 52 cards. What is the probability that a red card appears?
Vinil7 [7]

<u>Answer:</u>

P (red) = 1/2

<u>Step-by-step explanation:</u>

It is given that a card is drawn from a well-shuffled deck of 52 cards and we are to find the probability of getting a red card.

We know that there are total 26 red cards in a deck (13 hearts and 13 diamonds).

Therefore, the probability of getting a red card P (red) = \frac { 2 6 } { 5 2 } = 1/2

8 0
3 years ago
Timmy uses 1 1/2 cups of sugar for every 2 gallons of lemonade he makes.
Diano4ka-milaya [45]
Answer: 9 3/4 cups of sugar

Work:

13÷2=6 1/2

6 1/2x1 1/2=9 3/4
3 0
3 years ago
For what value of q is the equation -13(9 + 4) = 79 + 16 true?
sattari [20]

Answer:

False, because the left side (-169), is not equal to the right side (95).

7 0
3 years ago
Read 2 more answers
Round 3489 to nearest thousand
Anastaziya [24]
Your answer is 3,000.
5 0
3 years ago
Other questions:
  • Rachel invested $15,000 in a nine-year CD giving 8.5% interest, but needed to withdraw $4,000 after two years. If the CD's penal
    10·2 answers
  • Subtract the following polynomials, then place the answer in the proper location on the grid.
    15·1 answer
  • last year the humane society took in 21,340 animals. If the humane society was open all 52 weeks that year. how many animals wer
    7·1 answer
  • Find EF in the trapezoid ? What is EF= equal too
    9·1 answer
  • Somebody please help ASAP!!!
    15·2 answers
  • Anyone know this ion get it ??
    10·1 answer
  • <img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B361%7D%20" id="TexFormula1" title=" \sqrt{361} " alt=" \sqrt{361} " align="absmid
    14·2 answers
  • In a certain state's lottery, 40 balls numbered 1 through 40 are placed in a machine and eight of them are drawn at random. If t
    6·1 answer
  • What is 1.07 + 42.5 HELP PLSSSSSSSSSSSS
    11·2 answers
  • Consider <img src="https://tex.z-dn.net/?f=%24%5Ctriangle%20ABC%24%20such%20that%20%24BC%20%3D%203AC%24%20and%20%24%5Cangle%20A%
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!