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iris [78.8K]
3 years ago
9

Jane arranges m chairs in each of n rows to seat x people. The formula to find the number of chairs in each row is m = . If 60 p

eople attend the meeting and each row has 4 chairs, there are rows.
Mathematics
1 answer:
mr Goodwill [35]3 years ago
4 0
This might be wrong, but I think it's 15. Again, sorry if I'm wrong.

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2x − 2) + (x + 1) + x + (x + 1) = (2x − 9) + (x + 1) + (x + 8) + x,
KengaRu [80]

Answer:

x=1

Step-by-step explanation:

5x=5x  x=1

4 0
3 years ago
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A3/8
mart [117]

Answer:

A.)130 80

Step-by-step explanation:

1y/3x

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answer:130 80

5 0
2 years ago
What is the exact value of the expression the square root of 486. − the square root of 24. + the square root of 6.? Simplify if
kenny6666 [7]
Sqrt(486) - sqrt(24) + sqrt(6)

find the factors of 486 that we can remove from under the square root sign
 2 * 243
 2 * 3 * 81
 2 * 3 * 9 * 9 (we have 2 nines, we can move a 9 outside the sqrt sign)
sqrt(486) = 9 sqrt(6)

Repeating for sqrt(24)
2 * 12
2 * 2 * 6
2 * 2 * 2 * 3 (we can move a 2 outside the sqrt
sqrt(24) = 2 sqrt(6)

Finally, add all 3 terms together

9 sqrt(6) - 2 sqrt(6) + sqrt(6)
8 sqrt(6)

8 times square root of 6 is the final answer
8 0
2 years ago
Which of the binomials below is a factor of this trinomial?<br><br> x2 + 8x + 16
Gre4nikov [31]
X^2 + 8x + 16 =
(x + 4)(x + 4) or (x + 4)^2
4 0
3 years ago
St<br>Question 1<br>Calculate the derivative of y = f(x) = 3 x(4x + 7)<br>Your answer:<br><br>​
kondor19780726 [428]

Answer:

\frac{dy}{dx} = 24 x + 21

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Given that the function

      y = f(x) = 3 x ( 4 x + 7)

     y  = 3 x ( 4 x + 7)  

    y = 12 x² + 21 x ..(i)

Differentiating equation (i) with respective to 'x' , we get

\frac{dy}{dx} = 12 (2x) +21 (1)

\frac{dy}{dx} = 24 x + 21

6 0
2 years ago
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