MathMaster logo

MathMaster

  1. Home
  2. general
  3. 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)

168

likes
839 views

Answer to a math question Result of the scalar product between u=(1,-2,3) and v=(0,2,1)

Expert avatar
Cristian
4.7
119 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)
Question: Find the x-intercept(s) of the logarithmic function y = log(base 3)(4x - 5) + 2, where log(base 3) represents the logarithm with base 3.
+
What is the product of 24 multiplied by 16?
+
What is the product of 15 and (37 divided by 5) plus 9?
+
New questions in Mathematics
Hey👋🏻 Tap "Create New Task" to send your math problem. One of our experts will start working on it right away!
A college believes that 22% of applicants to that school have parents who have remarried. How large a sample is needed to estimate the true proportion of students who have parents who have remarried to within 5 percentage points?
90 divided by 40
STUDENTS IN A CLASS LEARN ONLY ONE FOREIGN LANGUAGE. two-sevenths of the students learn German, half of the students learn Spanish, and the remaining six students learn Italian. what is the number of students in this class? detail your reasoning carefully.
Find the sum of the first 41 terms of the progression that begins: 32, 24, 16, …
If the midpoint of point A on the x=3 line and point B on the y=-2 line is C(-2,0), what is the sum of the ordinate of point A and the abscissa of point B?
A merchant can sell 20 electric shavers a day at a price of 25 each, but he can sell 30 if he sets a price of 20 for each electric shaver. Determine the demand equation, assuming it is linear. Consider (P= price, X= quantity demanded)
There were no defectives in a sample of 1 light bulb does this sample provide sufficient evidence that in the warehouse with millions of light bulbs fewer than 10% are defective?
Suppose that you use 4.29 g of Iron in the chemical reaction: 2Fe(s) + 3 Cu2 + (aq) 2Fe 3 + (aq) + 3Cu(s ) - . What is the theoretical yield of Cu (s), in grams?
Determine the reduced form of the slope equation equal to 2
Calculate the difference between 407 and 27
Let x be an integer. Prove that x^2 is even if and only if is divisible by 4.
9/14 x 7/27 carry out indicated operation
In a 24 hours period, the average number of boats arriving at a port is 10. Assuming that boats arrive at a random rate that is the same for all subintervals of equal length (i.e. the probability of a boat arriving during a 1 hour period the same for every 1 hour period no matter what). Calculate the probability that more than 1 boat will arrive during a 1 hour period. (P(X>1) ) Give your answers to 4 decimal places and in a range between 0 and 1
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*) $ < μ < $ 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
1. A jeweler has two gold bars, with 80% purity and the other with 95% purity. How much of each must be melted to obtain a 5 kilo ingot with 86% purity?
Log0
Consider mixing 150 ml, 0.1M, HCI with 100 ml, 0.2M, KOH solution. Determine the pH of final solution.
Find I (Intrest) using simple interest formula of 17700 @ 15% for 4 years
(3.1x10^3g^2)/(4.56x10^2g)

You might be interested in