Answer:
C {-2,3,7,9}
Step-by-step explanation:
C {-2,3,7,9}
Answer:
b. (10,10,0)
Step-by-step explanation:
r+v can be evaluated if the vectors/matrices have the same dimensions.
These do. They are both 1 by 3 vectors.
Just add first to first in each.
Just add second to second in each.
Just add third to third in each.
Example:
(5,-5,6)+(1,2,3)
=(5+1,-5+2,6+3)
=(6,-3,9)
Done!
In general, (a,b,c)+(r,s,t)=(a+r,b+s,c+t).
r+v
=(7,3,9)+(3,7,-9)
=(7+3,3+7,9+-9)
=(10,10,0)
Done!
Answer:
26,664 inches
Step-by-step explanation:
Set up a proportion to solve this...
33 inches is to 1.25 miles as 'x' inches is to 1,010 miles
33/1.25 = x/1,010 now solve for x by cross multiplying
33,330 = 1.25x
33,330/1.25 = x
26,664 = x
Answer:
m_3
Step-by-step explanation:
divide both sides by 6
Answer:
See below in bold.
Step-by-step explanation:
a. The factor of growth = 1.08 per year so
P = 20(1.08)^t where P = the bear population and t = the time in years since 2010.
b. It is 10 years after 2010 so:
In 2020: P = 20 * (1.08)^10
= 43 bears.
c. When P = 100 we have:
100 = 20 * (1.08)^t
(1.08)^t = 100/20 = 5
t ln 1.08 = ln 5
t = 20.9 years.
So there will be more than 100 bears in the year 2010 + 21
= 2031.
