Answer:
11
Step-by-step explanation:
First, fund the value of G(2),
![g(2) = 5(2) + 2 = 12](https://tex.z-dn.net/?f=g%282%29%20%3D%205%282%29%20%2B%202%20%3D%2012)
Plug 12 in for f(x).
![f(12) = 12 - 1 = 11](https://tex.z-dn.net/?f=f%2812%29%20%3D%2012%20-%201%20%3D%2011)
Answer:
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Step-by-step explanation:
Answer:
<em>Null Hypothesis : </em> P = 0.73
Alternative Hypothesis : P≠ 0.73
Step-by-step explanation:
<u><em>Explanation</em></u>:-
According to a recent survey, 73% of college students did not use student loans to pay for college
Let p be the proportion of college students who did not use student loans to pay for college
Population proportion P = 73% or 0.73
<u><em>Null Hypothesis :</em></u> P = 0.73
Alternative Hypothesis : P≠ 0.73
Answer:
Step-by-step explanation:
Volume of water in the swimming pool
= 25 x 11 x 3.1
= 852.5 m³
mass of water in the pool
= volume x density of water
m = 852.5 x 10³ kg
We shall consider the height H by which the centre of mass of the water-body is increased to lift the water .
H = 3.1 / 2 = 1.55 m
Work done in pumping the water out of pool
mgH ,
= 852.5 x 10³ x 9.8 x 1.55
= 13 x 10⁶ J
You need to learn this on your own. What will happen on a test you will not know what you learned about.