Step-by-step explanation:
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Prism A 4x1x2=8
prism B 8x2x4=64
8/64 is the ratio, simplified would be 1/8
Answer:
C.
Multiply the first equation by 18; multiply the second equation by 18; add the equations.
D.
Multiply the first equation by − 6; multiply the second equation by 4; add the two equations.
E.
Multiply the first equation by 3; multiply the second equation by − 2;add the two equations.
Step-by-step explanation:
All of these procedures work because they are canceling out the x and y values in both equations.
Answer:
Step-by-step explanation:
Well, what happens when you multiply a number by 10? 1*10 is just 10 of course, 2*10 is 20, 3*10 is 30 and so on. This pattern continues, so if you multiply anything by 10 you take whatever it was and move everything to the next highest "place. so for 2, which starts in the ones place you move it to the tens place. For whole numbers you can think of it as just adding a 0 to the end.
Anyway, for this it's asking what gets multiplied by 10 to get 25,960. Well, since it's a whole number realize that whatever this number was times 10 got a 0 added to it. so just take that last 0 away. 2,596
Another method is dividing by 10, which just does the opposite of multiplying by 10.
Answer:
P(t) = 100t +2600
4100 in 2005
Step-by-step explanation:
You are given two points for (year, population) = (t, p):
(4, 3000), (8, 3400)
It is useful to use the two-point form of the equation for a line.
p = (p2 -p1)/(t2 -t1)(t -t1) +p1
p = (3400 -3000)/(8 -4)(t -4) +3000
p = 400/4(t -4) +3000
p = 100t +2600
P(t) = 100t +2600 . . . . written in functional form
In 2005, the population is predicted to be ...
P(15) = 100×15 +2600 = 4100