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3 years ago

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 $12a+2a=14a$

Hope this helped!

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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 $r = 0.75$

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

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.

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3 years ago