![Jazs7202](/avatars/43168.jpg)
Jazs7202
30.06.2019 •
Mathematics
When living things use chemical reactions to break down food, some of the energy is transformed into? a. sound. b. waste. c. heat. d. light.
Solved
Show answers
More tips
- A Auto and Moto How Can Parking Sensors Help Drivers?...
- H Health and Medicine What is the Normal Blood Sugar Level in a Healthy Person?...
- D Dating, Love, Relationships How Long Can Love Last?...
- A Auto and Moto Mastering One-Movement Parking: All You Need to Know...
- C Computers and Internet How to Properly Order Clothing from International Online Stores...
- H Health and Medicine Headache: A Comprehensive Guide to Treatment...
- F Family and Home How to Choose the Best Diapers for Your Baby?...
- A Auto and Moto Discovering the Leader: What is the Most Expensive Car in the World?...
- F Food and Cooking How to Quickly Put your Child to Sleep?...
- C Computers and Internet How to Create a Website for Free and Easy?...
Answers on questions: Mathematics
- M Mathematics If V makes an angle with the positive x-axis when in standard position, then |Vx| = ___ and |Vy| = ___....
- M Mathematics The box and whisker plot below represents the grades in a college statistics course. Which interval contains exactly 50% of the grades? which do I circle: O: 63-88 O: 63-95 O: 75-81...
- M Mathematics Help, please I m stuck on 4...
- M Mathematics The formula A=P ·e with an exponent rt shows the amount of money after t years in an account compounded continuously at a rate of r. Which equation represents the formula when solved...
- M Mathematics Write the equation of the line...
- M Mathematics Examine the figure below. B E 12 8 (3x+18) (4x+2) C D А 9 6 F If AABC is similar to ADEF, determine the measure of ZA. 22...
- M Mathematics You are traveling in a car. Your speed is 15 miles per hour. What is your speed in feet per minute?...
- M Mathematics 4 markers cost $7.04. Which equation would help determine the cost of 7 markers?...
- M Mathematics Substitute the values for the base and the height into the area formula. What is the area of the triangle? The area of the triangle is _____square inches. PLS HELP...
- M Mathematics Alana bought a treadmill for $750. When she sold the treadmill she made a loss of 25%. What price did she sell the treadmill for?...
Ответ:
Step-by-step explanation:
The projection of u on v is expressed as;
Given
u=1.6i+3.3j
v=-2.1i-.5j
u*v = (1.6i+3.3j )*(-2.1i-0.5j )
u*v = 1.6i(-2.1i) + 3.3j(-0.5j)
u*v = -3.36 - 1.65
u*v = -5.01
|v|² = (√(-2.1)²+(-0.5)²)²
|v|² = (-2.1)²+(-0.5)²
|v|² = 4.41+0.25
|v|² = 4.66
Substitute into the formula;