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morpeh [17]
3 years ago
12

Which binomial is equivalent to (6x + 5y)(6x − 5y)?

Mathematics
1 answer:
lesya [120]3 years ago
7 0

Answer:

\large\boxed{C)\ 36x^2-25y^2}

Step-by-step explanation:

\text{Use}\ (a+b)(a-b)=a^2-b^2\\\\(6x+5y)(6x-5y)=(6x)^2-(5y)^2\qquad\text{use}\ (ab)^n=a^nb^n\\\\=6^2x^2-5^5y^2=36x^2-25y^2

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Enter a positive common favor (other than 1) of the fractions numerator and denominator
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Answer:

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Step-by-step explanation:

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Can somebody please help me and quick? thxs​
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Over [174]

Answer:

a) \frac{dC}{dt} = rC

And for this case we can rewrite the model like this:

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If we integrate both sides we got:

ln C = rt + k

If we use exponentials for both sides we got:

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So then our model would be given by:

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Where t represent the number of hours

b) C(5) = 100 e^{-0.16*5}= 44.9329

Step-by-step explanation:

Part a

For this case we can assume the proportional model given by:

\frac{dC}{dt} = rC

And for this case we can rewrite the model like this:

\frac{dC}{C} = r dt

If we integrate both sides we got:

ln C = rt + k

If we use exponentials for both sides we got:

C = e^{rt} e^k = C_o e^{rt}

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So then our model would be given by:

C(t) = 100 e^{-0.16 t}

Where t represent the number of hours

Part b

For this case we can replace the value t=5 into the model and we got:

C(5) = 100 e^{-0.16*5}= 44.9329

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How many 2/3 can fit in 2
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