What is the probability of rolling a number greater than 2 with a standard number cube
1 answer:
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<h3>The equivalent expression is 6 + 6x</h3>
<em><u>Solution:</u></em>
<em><u>Given expression is:</u></em>
9 - (3 - 6x)
We have to find the equivalent expression
Use the distributive property,
a(b + c) = ab + bc
Therefore, from given expression,
Combine the constants, 9 - 3 = 6
Thus the equivalent expression is 6 + 6x
Answer:
0.6 km / min
0.6 kilometres per minute
Step-by-step explanation:
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STEP BY STEP:
36 (km/h) (1h / 60min) = 0.6 km/min
Answer:
At the end of ten days, the size of population B is 256 times that of population A
Step-by-step explanation:
We work under the premise that population A and B start both with the same number of individuals. Let's call such initial population
Now, we write the exponential expression that describes population A as a function of days (t) for the first 6 days:
which represents the starting point with individuals on day zero, doubling after one day (t= 1), and keeping on doubling the following days for 6 days.
So at the end of 6 days, population A would have the following number of individuals:
That is 64 times the starting number of individuals.
After this, the population stops growing and starts reducing to one-half each day. This behavior can be represented by:
therefore after 4 days in this pattern, this culture has the following number of organisms:
which is now just four times what the culture started with.
Now, on the other hand, population B grows doubling each day without interruption, so at the end of 10 days its size is given by:
that is it has 1024 times the initial number of organisms.
So if we compare both populations at day 10:
Therefore, at the end of ten days, population B is 256 times the size of population A