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max2010maxim [7]
3 years ago
10

If one root is the square root of the other in the equation 8 + mx + 27x^2 = 0, find the value of m​

Mathematics
1 answer:
ICE Princess25 [194]3 years ago
6 0

Answer:

Step-by-step explanation:

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What percentage of the data falls outside 1 standard deviation of the mean?
Alik [6]

We all know about the bell curve i.e. normal distribution curve. It is centered about the mean and spread equally on each side.

We describe the area of the curve with the help of standard deviations.

With in 1 standard deviation about the mean i.e. from -1 s.d. (left of mean) to +1 s.d. (right of mean), it covers 68% of the total area of curve.

So, the data that falls outside 1 standard deviation of the mean would be equal to (100% - 68%) i.e. 32%.

So, 32% is the final answer.

3 0
3 years ago
Please help will give brainliest
Verizon [17]

Answer:

  • 16.67%

Step-by-step explanation:

<u>Decrease in number:</u>

  • 12 - 10 = 2

<u>Percent decrease:</u>

  • 2/12*100% = 16.67% rounded
5 0
2 years ago
At XYZ Middle School, 40 percent of the 500 students ride their bikes or walk to school. How
iVinArrow [24]

Answer:

200 students either bike or walk to school

Step-by-step explanation:

0.4 = 40%

500 * 0.4 = 200

40% is 200 students

200 students either bike or walk to school

7 0
3 years ago
What is 3/6 as a decimal?
iren2701 [21]
0.5 is the answer hope I helped you
5 0
3 years ago
Find the volume of the cylinder. Use pi = 3.14* the height of 6 inches and a radius 4.5in​
ArbitrLikvidat [17]

Answer: 381.51 cubic inches

Step-by-step explanation:

1. Use the formula: V = πr^{2}h, or in this case, 3.14(4.5^{2})(6)

2. Simplify to 3.14(20.25)(6)

3. Simply multiply all three numbers using a calculator, or one by one if that's the preferred option.

4. You get: 381.51 cubic inches.

8 0
3 years ago
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