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Vitek1552 [10]
3 years ago
9

What is this answer

Mathematics
1 answer:
rosijanka [135]3 years ago
6 0
HOPE THIS HELPS! IF IT DOESN'T...I'M SO SORRY! SORRY 4 REALLY BAD CAMERA QUALITY! :(
HAVE A GR8 DAY ;-)

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Simplify the following expression. 12a + 2a
mamaluj [8]

Answer:

14a

Step-by-step explanation:

Combining like-terms gives us 12a+2a=14a

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2 years ago
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The amount of a 500 g sample of a radioactive substance that remains over time is given by the equation , where d is the number
Vlada [557]
Non-linear

The line should be an exponential function, as it halves in mass every time a certain amount of time has passed.
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3 years ago
What is 5 divide by 845
sergeinik [125]
<h3>Answer: 0.00591716</h3>

Step-by-step explanation: Use a ti-34 calculator.

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3 years ago
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In 1985, there were 285 cell phone subscribers in Arlington. The number of subscribers increased by 75% per year since 1985. Fin
ANTONII [103]

Answer:

The number of subscribers in 2008 is 110,845,988

Step-by-step explanation:

The number of cell phone subscribers in Arlington, in t years after 1985, can be modeled by the following equation.

N(t) = N(0)(1+r)^{t}

And which N(0) is the number of subscribers in 1985 and r is the rate it increases per year, as a decimal.

In 1985, there were 285 cell phone subscribers in Arlington.

This means that N(0) = 285

The number of subscribers increased by 75% per year since 1985.

This means that r = 0.75

So

N(t) = 285(1.75)^{t}

Find the number of subscribers in 2008.

2008 is 2008-1985 = 23 years after 1985. So we have to find N(23).

N(23) = 285(1.75)^{23} = 110,845,988

The number of subscribers in 2008 is 110,845,988

8 0
3 years ago
Determine (a) the slope of the line parallel to the line whose slope is m=2 and (b) the slope of the line perpendicular to the l
kotykmax [81]

Answer:

(b) \displaystyle -\frac{1}{2} = m

(a) \displaystyle 2 = m

Step-by-step explanation:

Perpendicular Lines have OPPOSITE MULTIPLICATIVE INVERSE <em>RATE OF CHANGES</em> [<em>SLOPES</em>], whereas Parallel Lines have SIMILAR <em>RATE OF CHANGES</em> [SLOPES].

I am joyous to assist you anytime.

7 0
3 years ago
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