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2 years ago

Which measure is of an angle that is coterminal with a 425 angle?

Mathematics

2 answers:

mixas84 [53]2 years ago

3 0

To get a coterminal angle we either add or subtract multiples of 360.

For this case a multiple of 360 is 1440, because 360 * 4 = 1440.

So the option that would be coterminal of 425 degrees =

425° + (1440n)° for any integer of n

Elan Coil [88]2 years ago

3 0

Answer:

d on edg

Step-by-step explanation:

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Eli invested $ 330 $330 in an account in the year 1999, and the value has been growing exponentially at a constant rate. The val

Cloud [144]

Answer:

The value of the account in the year 2009 will be $682.

Step-by-step explanation:

The acount's balance, in t years after 1999, can be modeled by the following equation.

$A(t) = Pe^{rt}$

In which A(t) is the amount after t years, P is the initial money deposited, and r is the rate of interest.

$330 in an account in the year 1999

This means that $P = 330$

$590 in the year 2007

2007 is 8 years after 1999, so P(8) = 590.

We use this to find r.

$A(t) = Pe^{rt}$

$590 = 330e^{8r}$

$e^{8r} = \frac{590}{330}$

$e^{8r} = 1.79$

Applying ln to both sides:

$\ln{e^{8r}} = \ln{1.79}$

$8r = \ln{1.79}$

$r = \frac{\ln{1.79}}{8}$

$r = 0.0726$

Determine the value of the account, to the nearest dollar, in the year 2009.

2009 is 10 years after 1999, so this is A(10).

$A(t) = 330e^{0.0726t}$

$A(10) = 330e^{0.0726*10} = 682$

The value of the account in the year 2009 will be $682.

4 0

2 years ago

What is the difference between 76.82 and 2.761

Sophie [7]

74.059 is the answer.

Hope this helps...

3 0

2 years ago

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Enzo is studying the black bear population at a large national park.

Naddik [55]

Answer:

2,973

Step-by-step explanation:

The black bear population B(t), in the park is modeled by the following function:

$B(t) = 2500 \cdot 2^{0.01t}$

Where t is the time(in years) elapsed since the beginning of the study.

We want to determine the black bear population in 25 years time, t=25.

$B(25) = 2500 \cdot 2^{0.01*25}\\=2973.02\\\approx 2973$

There will be 2,973 black bears in 25 years time.

4 0

2 years ago

If 2^2008 – 2^2007 - 2^2006 + 2^2005 = k * 2^2005 then the value of k is equal to

scZoUnD [109]

Step-by-step explanation:

Maths

Bookmark

if 2

2008

−2

2007

−2

2006

2005

=k ⋅2

2005

then the value of k is equal to

Answer

Correct option is

2008

−2

2007

−2

2006

2005

=k⋅2

2005

⇒[2

2008

−2

2006

]−[2

2007

−2

2005

]=k⋅2

2005

⇒2

2006

−1)−2

2005

−1)=k⋅2

2005

⇒3(2

2006

−2

2005

)=k⋅2

2005

⇒3[2

2005

(2−1)]=k⋅2

2005

⇒3(2

2005

)=k⋅2

2005

On comparing, we get

k=3

Hence, Option B is correct.

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1 year ago

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Alex has 3 baseballs. He brings 2 baseballs to school. What fraction of his baseballs does Alex bring to school?

ivann1987 [24]

2/3 2/3 shows 2 out of 3, in this case meaning 2 out of 3 baseballs

7 0

2 years ago

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