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QveST [7]
3 years ago
9

Find the sum of -3a + 2 and 5a - 3

Mathematics
2 answers:
Anon25 [30]3 years ago
8 0

Answer

-1(3a-2)

Step-by-step explanation:

Effectus [21]3 years ago
7 0

Answer:

Step-by-step explanation:

(-3a + 2 ) + ( 5a - 3)

= -3a + 5a + 2- 3

= 2a + ( -1)

= 2a-1

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Answer:

yes

Step-by-step explanation:

34.95 + 15.75(4)

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Number is 22 round down to
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Answer:

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Step-by-step explanation:

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3 0
3 years ago
In 2013, the moose population in a park was measured to be 5,100. By 2018, the population was measured again to be 5,200. If the
natka813 [3]

Answer:

P(t) = 5100e^{0.0039t}

Step-by-step explanation:

The exponential model for the population in t years after 2013 is given by:

P(t) = P(0)e^{rt}

In which P(0) is the population in 2013 and r is the growth rate.

In 2013, the moose population in a park was measured to be 5,100

This means that P(0) = 5100

So

P(t) = 5100e^{rt}

By 2018, the population was measured again to be 5,200.

2018 is 2018-2013 = 5 years after 2013.

So this means that P(5) = 5200.

We use this to find r.

P(t) = 5100e^{rt}

5200 = 5100e^{5r}

e^{5r} = \frac{52}{51}

\ln{e^{5r}} = \ln{\frac{52}{51}}

5r = \ln{\frac{52}{51}}

r = \frac{\ln{\frac{52}{51}}}{5}

r = 0.0039

So the equation for the moose population is:

P(t) = 5100e^{0.0039t}

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3 years ago
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