Gabby2791 Gabby2791

09-09-2017
Mathematics

contestada

What is the dot product of vectors aand bif a=3i+ -2j–7kand b=10i-4j-2k?

Respuesta :

09-09-2017

a•b = (3×10) + (-2×-4) + (-7×-2) = 30 + 8 + 14 = 52

Answer Link

Otras preguntas

Which characteristics describe how a gang is identified? Check all that apply. the number of people who belong to a group the type of clothes that people in th

The capacity of one brain area to take over the functions of another damaged brain area is known as brain: (2 points) alien hand syndrome phrenology hemispherec

A figure has a vertex at (-1,-3). If the figure has line symmetry about the y-axis, what are the coordinates of another vertex on the figure

Cortical areas not primarily concerned with sensory, language, or motor functions are: (2 points) called projection areas called emotional areas called associat

The diffusion of oxygen gas across the cell membrane always occurs -A with the assistance of cellular energy in the form of ATPB along the concentration gradien

Pick two classes of proteins and match them with their specific function

what are the direct causes of World War 1 and World War 2

A wheel of diameter 23.0 cm is constrained to rotate in the xy plane, about the z axis, which passes through its center. A force =( -31.0 + 40.0) N acts at a po

10 men working for 6 days can complete 5 copies of a book if there are 8 men working to complete 4 copies of the book how many days will it take

The slope of line m is 2, and it’s y-intercept is 3. If line l is perpendicular to line m and line l intersects line m at its y-intercept, what is the equation