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Molodets [167]
3 years ago
15

SHOW YOUR WORK!HELP!ILL GIVE YOU BRAINLIEST! -5/6 + (-2/3)

Mathematics
2 answers:
weqwewe [10]3 years ago
8 0

<em><u>The</u></em><em><u> </u></em><em><u>ans</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>in</u></em><em><u> </u></em><em><u>attache</u></em><em><u>d</u></em><em><u> </u></em><em><u>picture</u></em><em><u>.</u></em>

<em><u>HOPE</u></em><em><u> </u></em><em><u>THIS</u></em><em><u> </u></em><em><u>W</u></em><em><u>I</u></em><em><u>L</u></em><em><u>L</u></em><em><u> </u></em><em><u>HELP</u></em><em><u> </u></em><em><u>U</u></em><em><u> </u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

Helen [10]3 years ago
5 0

Answer:

-3/2

Step-by-step explanation:

First, take the brackets out:

-5/6 -2/3

Second, make the denominator the same using the GCF:

The GCF of 3 and 6 is 6.

Third, find an equivalent fraction of -2/3 that has a denominator of 6.

This is -4/6.

Finally, find your sum.

-5/6 -4/6=-9/6

Make sure to simplify!

-9/6=-3/2

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3 years ago
X^2+ 6x - 4 = 3x + 6
jolli1 [7]

Answer:

x=2

x=-5

Step-by-step explanation:

You need to get everything on one side to have a quadratic equation:

x^2+6x-4 -(3x+6) = x^2+3x-10

All factors of 10 are 1*10 and 2*5.

5-2 = 3 and 5*-2 = -10

Factoring x^2+3x-10 gives us (x-2)(x+5)

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4 0
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Answer:

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Step-by-step explanation:

7 0
3 years ago
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A population of bacteria begins with 1500 bacteria and grows to 4500 in one hour.
dezoksy [38]

The function that represents the growth of this culture of bacteria as a function of time is; P = 1500e^(1.0986t)

<h3>How to calculate Exponential Growth?</h3>

The formula for exponential growth is;

P = P₀e^(rt)

where;

P = current population at time t

P₀ = starting population

r = rate of exponential growth/decay

t = time after start

Thus, from our question we have;

4500 = 1500 * e^(r * 1)

4500/1500 = e^r

e^r = 3

In 3 = r

r = 1.0986

Thus, the function that represents the growth of this culture of bacteria as a function of time is;

P = 1500e^(1.0986t)

For the culture to double, then;

P/P₀ = 2. Thus;

e^(1.0986t) = 2

In 2 = 1.0986t

t = 0.6931/1.0986

t = 0.631 hours

Read more about Exponential Growth at; brainly.com/question/27161222

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3 years ago
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