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tangare [24]
2 years ago
5

How to I do an algebra proof if given: m=1/2(a+b) prove: b=2m-a

Mathematics
1 answer:
jolli1 [7]2 years ago
3 0

let's solve for b :

  • m =  \dfrac{1}{2} (a + b)

  • 2m = a + b

  • b = 2m - a

proved....

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To determine the number of squirrels in a conservation area a researcher cashers tags and releases 114 squirrels you later catch
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Answer:

336 squirrels

Step-by-step explanation:

-This is a Mark-Recapture method.

-The population is estimated using the formula:

N=\frac{MC}{R}

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  • R-is the total number of tagged individuals recaptured.

#We substitute our values as follows to estimate N:

N=\frac{MC}{R}\\\\=\frac{114\times 97}{33}\\\\=335.0909\approx336

Hence, there are approximately 336 squirrels in the conservation area.

*population is always rounded up to the next whole number.

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3 years ago
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On average, a department store sells 12 shirts in 2 days. At this rate, about how many shirts will be sold in 8 days?
erik [133]
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Kisachek [45]

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The formula for present value for this series of cashflows is:

= \frac{(Payment) (( 1 + Interest rate)^{Number of years} - 1) }{(Periodic interest) (1 + (Periodic interest))^{Number of years}}

Based on the P/Y and the C/Y being 12, the number of periods given in the graphing calculator will be the same in the formula, which is 108 periods.

The interest rate of 6.6% will also be the same in the formula.

The best option is therefore <u>option B </u>which has all these figures and so will give the same present value.

Find out more on present value at brainly.com/question/25792915.

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