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mote1985 [20]
3 years ago
15

5c + 3 -2c + 5 simplify the expression

Mathematics
2 answers:
snow_lady [41]3 years ago
3 0
5c + 3 - 2c + 5

        5c - 2c + 3 + 5
 
               3c + 8 ~~~
Zanzabum3 years ago
3 0
<span><span><span><span>1) Equation 
5c</span>+3</span>−<span>2c</span></span>+<span>5

2) </span></span>Combine Like Terms
⇒ <span><span><span><span>5c</span>+3</span>+<span>−<span>2c</span></span></span>+5
</span>⇒ <span><span>(<span><span>5c</span>+<span>−<span>2c</span></span></span>)</span>+<span>(<span>3+5</span>)
</span></span>⇒ <span><span>3c</span>+<span>8

Answer = </span></span>3c+8
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List all possible rational zeros of h(x) = x^3 - 5x^2 - 4x + 20. Then determine which, if any, are zeros.
devlian [24]

Answer: x = {2, 5, -2}

<u>Explanation:</u>

see attachment

4 0
3 years ago
There are 99 males and 121 females participating in a marathon. What percent of the participants are female?​
ioda

To do this, we first want to see how many participants there are in total by adding both males and females.

99+121=220

Now we know that there were 220 total participants, but only 121 were females.

This allows us to set up the fraction 121/220= the percent female.

\frac{121}{220} =0.55

or 55%

8 0
2 years ago
Suppose that poaching reduces the population of an endangered animal by 6​% per year. Further suppose that when the population o
artcher [175]

If poaching reduces the population of an endangered animal by 6% and the criteria of population extinction is 20 with present population 1500 then it will take 3.62 years to reach to the mark of extinction.

Given Poaching reduces the population of endangered animals by 6% per year. The criteria of population extinction is 20. Present population being 1500.

Number of years taken by the population of endangered animals to reach to 20 mark can be calculated as under:

20=1500*(1-0.06)^{n}

20=1500*0.94^{n}

20/1500=0.94^{n}

0.133=0.94^{n}

take log both sides

log(0.133)=log0.94^{n}-------1

log(0.133)=nlog (0.94)

put the values log values:

log(0.133)=-0.8761

log(0.94)=-0.0268

Taking 1

-0.8761=n*(-0.0268)

n=0.8761/0.0268

n=3.269

Hence to reach level of 20 the population takes 3.2 years.

Learn more about logarithm at brainly.com/question/25710806

#SPJ10

8 0
1 year ago
The slope of a line is 2. The y-intercept of the line is –6. Which statements accurately describe how to graph the function?
cupoosta [38]

Answer:A

Step-by-step explanation:

I just did the test and got a 100

5 0
3 years ago
Matrix A = [6 -12 4 8]. What is matrix X if 1/2x=A?
Step2247 [10]

Answer:

X = \left[\begin{array}{cccc}12&-24&8&16\end{array}\right]

Step-by-step explanation:

A matrix is given by

A = \left[\begin{array}{cccc}6&-12&4&8\end{array}\right]

Now, we have to find the matrix X if \frac{1}{2} X = A

⇒ X = 2A

Now, multiplication of a constant with a matrix means multiplication with that constant with all the terms of the matrix.

So, X = \left[\begin{array}{cccc}6 \times 2&-12 \times 2&4 \times 2&8 \times 2\end{array}\right]

⇒ X = \left[\begin{array}{cccc}12&-24&8&16\end{array}\right] (Answer)

4 0
3 years ago
Read 2 more answers
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