![Apple557](/avatars/4059.jpg)
Apple557
02.12.2020 •
Mathematics
Use the dot product to find v when v=(-2 -1)
a. -1 c. √5
b. -3 d. √3
Solved
Show answers
More tips
- T Travel and tourism How to Use a Compass: A Beginner s Guide...
- C Computers and Internet Porn Banner: What It Is and How to Get Rid Of It?...
- F Food and Cooking How many stages of coffee roasting are there?...
- F Food and Cooking From Latte to Espresso: Which Coffee Drink is the Most Popular on Earth?...
- F Food and Cooking Experts Name Top 5 Healthiest Teas...
- C Computers and Internet Google Search Tips and Tricks: Everything You Need to Know...
- H Health and Medicine Discover the Hidden Principles and Real Results of the Japanese Diet...
- H Health and Medicine Liver Cleansing - Rejuvenation for the Body?...
- S Style and Beauty Is Photoepilation the Solution to Unwanted Hair Forever?...
- S Style and Beauty Unbelievable Hairstyles for Long Hair - 2021 Trends...
Answers on questions: Mathematics
- M Mathematics 1/4(1/3k+9)=6 step 1- 1/3k=15 step 2- 1/3k=15 step 3- k=5 find Olgas mistake step 1 step 2 steps 3 Olga did not make a mistake...
- M Mathematics Round off 786 to the nearest 1000...
- M Mathematics The height of a triangle is twice the length of its base. The area of the triangle is 50 m2. Find the height and base to the nearest tenth of a meter....
- M Mathematics What are the solutions to 40x2 – 30x = 135? Select all that apply. ...
- M Mathematics (b) Factorise 3n + 12...
- M Mathematics Answer pls thank you...
- M Mathematics Construct a triangle with AB=10cm,BC=7cm and AC=8cm Measure and write the size of a č b...
- M Mathematics Решить задачу в поход отправились 8 мальчиков а девочек на 3 меньше...
- M Mathematics What is this called, like whats the name of this thing?? {18 ≤ y ≤ 30}...
- M Mathematics Mark multiplied a number by itself. He found a product of 30. What is the number, rounded to the nearest tenth? A. 4.5 B. 5.4 C.5.5 D. 15.0...
Ответ:
Since you're only given the one vector, I assume you're supposed to find the magnitude of v, or ||v||, using the dot product.
We have
v • v = (-2, -1) • (-2, -1) = (-2)² + (-1)² = 5
so that
||v|| = √(v • v) = √(5)
and the answer is C.
Ответ:
It represents the amount of miles Jordan hiked the trail since x represents the number of hours.
Step-by-step explanation: