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3 years ago

Solve the following equations for x x(14-x) = 33

Mathematics

1 answer:

Katarina [22]3 years ago

7 0

ANSWER :

14x-x^2 = 33

Step-by-step explanation:

x(14-x) = 33

14x-(x)^2 = 33

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4.6363 as fraction using long division

nirvana33 [79]

Answer:

459/99

Step-by-step explanation:

0.6363... is equal to 63/99.

We want to add 4.

4 = 396/99

396/99 + 63/99 = 459/99

We can double check with a calc.

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3 years ago

The equation of the graphed line is 2x – 3y = 12.

Viefleur [7K]

Answer:

Step-by-step explanation:

The x-intercept is the x-coordinate of the point on the line that intersects the x-axis. At the x-axis, all y-coordinates are 0. Let y = 0, and solve for x.

2x – 3y = 12

2x - 3(0) = 12

2x = 12

x = 6

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3 years ago

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Sliva [168]

Answer: A

Step-by-step explanation:

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3 years ago

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A time for the 100 meter sprint of 14.9 seconds at a school where the mean time for the 100 meter sprint is 17.6 seconds and the

kirza4 [7]

Answer:

Z-score = -1.285

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 17.6 seconds

Standard Deviation, σ = 2.1 seconds

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

For x = 14.9, we have:

$z_{score} = \displaystyle\frac{14.9-17.6}{2.1} = -1.285$

A z-score to be unusual if its z-score is less than -2.00 or greater than 2.00.

Thus, the z-score is not unusual as it lies in the range [-2.00, 2.00]

6 0

3 years ago

With instructions too please

irga5000 [103]

Answer on pic above

Hope this helps

7 0

3 years ago