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Viefleur [7K]
3 years ago
12

Which of the following expressions is a polynomial?

Mathematics
1 answer:
Assoli18 [71]3 years ago
4 0

Hello from MrBillDoesMath!

Answer:

The second choice

Discussion:

The first choice is not a polynomial because it contains sqrt(x)

The third choice is not a polynomial because it contains (1/x)

The fourth choice is not a polynomial because it contains x in the exponent (ie. 5^x)

Thank you,

MrB

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Please helppp me!!!!!
Scrat [10]

Answer:

Step 2 contains error in the given problem.

Step-by-step explanation:

Given expression is:

\frac{1}{2}x-3=\frac{1}{3}x+6

Step 1: identifying the LCM.

The LCM identified is 6.

This step is correct.

In the next step, we multiply the LCM with each term of the equation.

Step 2:

\frac{6}{1}(\frac{1}{2}x) -3 =\frac{6}{1}(\frac{1}{3}x)+6

However,

In the given solution, the LCM is not multiplied with each term.

Hence,

Step 2 contains error in the given problem.

7 0
3 years ago
Find b and c if <img src="https://tex.z-dn.net/?f=-x%5E2%2Bbx%2Bc" id="TexFormula1" title="-x^2+bx+c" alt="-x^2+bx+c" align="abs
larisa [96]

Answer:

Its 4.57

Step-by-step explanation:

5 0
3 years ago
The sum of 5 consecutive numbers is -5. What is the largest out of the numbers?
xxTIMURxx [149]
We can say that x is the largest number.

So the sum is x + (x - 1) + (x - 2) + (x - 3) + (x - 4) = -5

Now solve for x:

x + x + x + x + x - 1 - 2 - 3 - 4 = -5

5x - 10 = -5

5x = 5

x = 1

So the largest number is 1.

Check: 1 + 0 + -1 + -2 + -3   =   -2 + -3   =   -5 so 1 is correct.
3 0
3 years ago
Kate sets a goal to walk 3 miles every day for a year. How many miles more or less than 1000 miles will she walk in the year
Law Incorporation [45]

Answer:

95

Step-by-step explanation:

365x3=1095


6 0
3 years ago
How many meters in 1 kilometer
mixas84 [53]
1 kilometer = 10000 meters
1 kilometer = 100000 centimeters
I can so more and explain more is you want Hope it helps 
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7 0
3 years ago
Read 2 more answers
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