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Luba_88 [7]
3 years ago
14

Is 7 a solution to 5x-9=26

Mathematics
2 answers:
dezoksy [38]3 years ago
7 0

Answer: YES IT IS 7

Step-by-step explanation: this is because I plugged in 7 for x and indeed 5(7)-9=26 5 times 7= 35 and 35-9 = 26 so yes 7 is a solution.

Welcome and have a nice day!

ololo11 [35]3 years ago
6 0

Answer:

5x-9=26 is 7

Step-by-step explanation:

-9 goes goes to the other side and turns positive 26+9 is 35 and 35 divided by 5 is 7

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Answer:

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Step-by-step explanation:

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2 years ago
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How many extraneous solutions does the equation below have? StartFraction 9 Over n squared 1 EndFraction = StartFraction n 3 Ove
BigorU [14]

The equation has one extraneous solution which is n ≈ 2.38450287.

Given that,

The equation;

\dfrac{9}{n^2+1} =\dfrac{n+3}{4}

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According to the question,

An extraneous solution is a solution value of the variable in the equations, that is found by solving the given equation algebraically but it is not a solution of the given equation.

To solve the equation cross multiplication process is applied following all the steps given below.

\rm \dfrac{9}{n^2+1} =\dfrac{n+3}{4}\\\\9 (4) = (n+3) (n^2+1)\\\\36 = n(n^2+1) + 3 (n^2+1)\\\\36 = n^3+ n + 3n^2+3\\\\n^3+ n + 3n^2+3 - 36=0\\\\n^3+ 3n^2+n -33=0\\

The roots (zeros) are the  x  values where the graph intersects the x-axis. To find the roots (zeros), replace  y

with  0  and solve for  x. The graph of the equation is attached.

n  ≈  2.38450287

Hence, The equation has one extraneous solution which is n  ≈  2.38450287

For more information refer to the link.

brainly.com/question/15070282

5 0
2 years ago
What is a histogram?
aliya0001 [1]

Answer:

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154 - 4(1 + 6m) + 6m​
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Answer:

6(25 - 3M)

Thats the correct answer

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