MathMaster
Q & A
Blog
Tutorials
Calculators
Privacy policy
CONTACT US
Menu
Home
general
result of the scalar product between u 1 2 3 and v 0 2 1
Question
Result of the scalar product between u=(1,-2,3) and v=(0,2,1)
Like
168
likes
839
views
Answer to a math question Result of the scalar product between u=(1,-2,3) and v=(0,2,1)
Cristian
4.7
118
Answers
1. Write out vectors:
\mathbf{u} = (1, -2, 3)
,
\mathbf{v} = (0, 2, 1)
.
2. Use dot product formula:
\mathbf{u} \cdot \mathbf{v} = u_1v_1 + u_2v_2 + u_3v_3 = 1 \cdot 0 + (-2) \cdot 2 + 3 \cdot 1
.
3. Calculate:
0 - 4 + 3 = -1
.
4. Final answer:
-1
.
Frequently asked questions (FAQs)
What is the value of the adjacent side
+
What is the value of sine of an angle multiplied by cosine of its complement angle?
+
What is the result of adding vector A (magnitude 8, direction 45 degrees) to vector B (magnitude 5, direction 225 degrees)?
+
New questions in Mathematics
Two fire lookouts are 12.5 km apart on a north-south line. The northern fire lookout sights a fire 20Β° south of East at the same time as the southern fire lookout spots it at 60Β° East of North. How far is the fire from the Southern lookout? Round your answer to the nearest tenth of a kilometer
If L = (-2, -5) is reflected across y= -4 , what are the coordinates of L?
Express the following numbers in decimal system, where the subscript indicates the base: 110101 (SUBINDEX=2)
(mΒ²-121)
2x-4y=-6; -4y+4y=-8
Analyze the following situation Juan is starting a new business, he indicates that the price of his product corresponds to p=6000β4x , where x represent the number of tons produced and sold and p It is given in dollars. According to the previous information, what is the maximum income that Juan can obtain with his new product?
5.- From the probabilities: π(π) = ππ% π(π β© π) = ππ% π(π Μ ) = ππ% You are asked to calculate: π(π βͺ π)
solve for x 50x+ 120 (176-x)= 17340
reduce the expression (7.5x 12)Γ·0.3
Show this compound proposition to be true or false. Paris is the capital of England or Rome is the capital of Italy
Your grandfather has run a small high street pharmacy for 40 years. After much persuasion, he has agreed to open a digital store online. List 5 potential ways to improve sales and/or margins by having a digital pharmacy through the utilisation of historic or new sales data.
Sections of steel tube having an inside diameter of 9 inches, are filled with concrete to support the main floor girder in a building. If these posts are 12 feet long and there are 18 of them, how many cubic yards of concrete are required for the job?
16.What payment (deposit) made at the end of each month will accumulate to $10473 in 13 years at 7.9% compounded monthly? Enter to the nearest cent (two decimals). Do not use $ signs or commas in the answer.
Nancy is a waitress at Seventh Heaven Hamburgers. She wants to estimate the average amount each table leaves for a tip. A random sample of 5 groups was taken and the amount they left for a tip (in dollars) is listed below: $11.00 $8.00 $6.00 $3.00 $7.00 a.) Find a 90% confidence interval for the average amount left by all groups. (*round to the nearest cent*) $ < ΞΌ < $ b.) If the sample size were larger, with everything else remaining the same, would the margin of Error increase or decrease? Decrease Increase c.) If the Confidence level were 95% instead of 90%, would the range (size) of the Confidence Interval be larger or smaller? Larger Smaller
In poker, a full house consists of five cards, where two of the cards have the same number (or letter) and the remaining three also have the same number (or letter) as each other (but not as the previous two cards). Use a search engine or Wikipedia to understand the concept better if necessary. In how many different ways can one obtain a full house?
(6Β²-14)Γ·11β’(-3)
00 piece jigsaw puzzle. the completed puzzle is 10x10. each piech connects to at least 2 other pieces. i plan to assemble by taking pieces out of box one by one. if i've already taken out 2 pieces that dont directly connect, what is the minimum number of additional pieces that i need to draw to in order to guarentee that the original 2 pieces connect?
a coffee shop has 9 types of creamer and 11 types of sweetener. In how any ways can a person make their coffee?
-1/3x+15=18
Construct a set of six pieces of data withβ mean, median, and midrange of 67 and where no two pieces of data are the same.
Download NOW
Apple store
Download NOW
Google play
Solve NOW
Try On Web
You might be interested in
1 + 1
Eight acts are scheduled to perform in a variety show how many different ways are there to schedule their appearances show your work
Y=-x^2-8x-15 X=-7
Calculate the equation of the tangent line ay=sin(x) cosβ‘(x)en x=Ο/2
3(4x-1)-2(x+3)=7(x-1)+2
(5-(4-3)*3)-(8+5))
Whatβs 20% of 125?
Credit title that represents a payment order. This model, which emerged in Brazil, can only be issued in two specific situations: in the purchase and sale of commercial products or in the provision of services. Select the correct alternative: Question 6Answer The. Present value B. Promissory note w. Present value d. Duplicate It is. Bill of exchange
During a fishing trip Alex notices that the height h of the tide (in metres) is given by h=1β(1/2)*cos(Οt/6) where t is measued in hours from the start of the trip. (a) Enter the exact value of h at the start of the trip in the box below.
It is known that the content of milk that is actually in a bag distributes normally with an average of 900 grams and variance 25 square grams. Suppose that the cost in pesos of a bag of milk is given by πΆ(π₯) = { 3800 π π π₯ β€ 890 4500 π π π₯ > 890 Find the expected cost.
Convert 5/9 to a decimal
Which of the methods below can be used to workout 95% of an amount? a. Dividing the amount 100 and multiply by 95 b. Working out 5% of the amount and taking it away from the full amount c. Dividing 95 by 100 and multiplying the answer by the amount d. Dividing the amount by 95 and then multiply by 100
At the dance there are 150 boys the rest are girls. If 65% are girls what is the total amount in the room
Find the minimum value of the function y = -4 x3 + 60 x2 -252 x + 8 for values of x between x = 0 and x = 9 Enter the value of the function, not the value of x
16.What payment (deposit) made at the end of each month will accumulate to $10473 in 13 years at 7.9% compounded monthly? Enter to the nearest cent (two decimals). Do not use $ signs or commas in the answer.
A natural gas company has a fixed rate of 1,320 pesos plus 1,590 pesos per cubic meter of gas consumed monthly per customer. Indicate the cost function to determine the value in pesos of the cubic meters of gas consumed in a month per customer. How much did a customer who consumed 18 cubic meters of gas pay? If a customer paid 34,710 pesos, how many cubic meters of gas did he consume?
The blood types of individuals in society are as follows: A: 30%, B: 25%, AB: 20%, 0: 25%. It is known that the rates of contracting a certain disease according to blood groups are as follows: A: 7%, B: 6%, AB: 7%, 0: 4%. Accordingly, if a person selected by chance is known to have this disease, what is the probability of having blood group O?
Square root of 169 with steps
yββ -4yβ +4y = (12x^2 -6x)e^2x Y(0)= 1 Yβ(0)=0 Y(x)=c1y1+c2y2+yp
An invoice for β¬2,880 plus default interest of β¬48.40 was paid on October 28th. Interest rate 5.5%. When was the bill due?