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77julia77 [94]
3 years ago
12

Help me please???!!!!!!!

Mathematics
1 answer:
Zolol [24]3 years ago
5 0

Answer:

im not sure

go on volume calculator

Step-by-step explanation:

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Suppose a population of honey bees in Ephraim, UT has an initial population of 2300 and 12 years later the population reaches 13
Rama09 [41]

Answer:

common ratio: 1.155

rate of growth: 15.5 %

Step-by-step explanation:

The model for exponential growth of population P looks like: P(t)=P_i(1+r)^t

where P(t) is the population at time "t",

P_i is the initial (starting) population

(1+r) is the common ratio,

and r is the rate of growth

Therefore, in our case we can replace specific values in this expression (including population after 12 years, and  initial population), and solve for the unknown common ratio and its related rate of growth:

P(t)=P_i(1+r)^t\\13000=2300*(1+r)^{12}\\\frac{13000}{2300} = (1+r)^12\\\frac{130}{23} = (1+r)^{12}\\1+r=\sqrt[12]{\frac{130}{23} } =1.155273\\

This (1+r) is the common ratio, that we are asked to round to the nearest thousandth, so we use: 1.155

We are also asked to find the rate of increase (r), and to express it in percent form. Therefore we use the last equation shown above to solve for "r" and express tin percent form:

1+r=1.155273\\r=1.155273-1=0.155273

So, this number in percent form (and rounded to the nearest tenth as requested) is: 15.5 %

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3 years ago
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Multiply each as in like 120 multiply by 1.2. If 60 multiply by 0.6.

Step-by-step explanation:

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Which line appears to have an x-intercept of -5 and a y-intercept of 3?​
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Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

when you divide a positive by a negative you get a negative which singles out x.

-1x could be simplified down to just -x which singles out that answer too

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