$MathMaster logo$

MathMaster

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)

168

likes

839 views

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

$Expert avatar$

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)

What is the volume of a rectangular solid with length 5 cm, width 9 cm, and height 7 cm?

+

Question: What is the equation of the exponential function that passes through the points (0,1) and (2,5)?

+

What is the minimum value of the function f(x) = 3x^2 - 6x + 9 in the interval [0, 4]?

+

New questions in Mathematics

Let f(x)=||x|−6|+|15−|x|| . Then f(6)+f(15) is equal to:

A normally distributed population has a mean of 118 with a standard deviation of 18. What score separates the lowest 72% of the distribution from the rest of the scores?

Use the digits of 1,9,2,3 to come up with all the numbers 98 and 95

Let X be a discrete random variable with range {1, 3, 5} and whose probability function is f(x) = P(X = x). If it is known that P(X = 1) = 0.1 and P(X = 3) = 0.3. What is the value of P(X = 5)?

The derivative of a power is obtained just by subtracting 1 from the power True or false

Supposed 60% of the register voters in a country or democrat. If a sample of 793 voters is selected, what is the probability that the sample proportion of Democrats will be greater than 64% round your answer to four decimal places

The cost of unleaded gasoline in the Bay Area once followed an unknown distribution with a mean of $4.59 and a standard deviation of $0.10. Sixteen gas stations from the Bay Area are randomly chosen. We are interested in the average cost of gasoline for the 16 gas stations. 84. Find the probability that the average price for 30 gas stations is less than $4.55. a 0.6554 b 0.3446 c 0.0142 d 0.9858 e 0

1. A pediatric client is prescribed digoxin for congestive heart failure. The dose prescribed is 40 mcg/kg twice daily. The child weighs 33 pounds. What is the dosage in mg to be given per dose? Round to the nearest hundredth. Calculate your answer in mg per dose. Enter numerical value only.____mg

TEST 123123+123123

A loan is repaid with payments of $2226 made at the end of each month for 12 years. If interest on the loan is 5.2%, compounded semi-annually, what is the initial value of the loan? Enter to the nearest cent (two decimals). Do not use $ signs or commas.

Determine the Linear function whose graph passes through the points (6, -2) and has slope 3.

Find the zero of the linear function 8x + 24 = 0

How many cards do you expect to pull from a poker deck until you get an ACE?

A property sold for $745,000 in a co-brokered transaction. The seller has agreed to pay a 7% commission to the listing firm. The listing firm has agreed to equally split the commission with the selling firm. If the buyer’s broker will receive 8% of the selling firm’s commission, how much commission will the buyer’s broker receive? $14,900 $3725 $$37250 $18625

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?

Given two lines 𝐿1: 𝑥 + 4𝑦 = −10 and 𝐿2: 2𝑥 − 𝑦 = 7. i. Find the intersection point of 𝐿1 and 𝐿2.

X^3 - x^2 - 4 = 0, what are the values of x?

g(x)=3(x+8). What is the value of g(12)