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3 years ago

2. Find the mode of the following data:

Mathematics

2 answers:

LUCKY_DIMON [66]3 years ago

8 0

Answer:

1) 3,1,5,6,3,4,5,3

2) Marks obtained 15 17 20

22 25

Number of students 6 17

12 18 13

stealth61 [152]3 years ago

6 0

Answer:

1)3 is the mode because it has the highest frequency

2)17

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3 years ago

N=8 x=9 What is 2n+(-6)?

Margaret [11]

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3 years ago

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klio [65]

Answer:

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2 years ago

Find all the zeroes of the equation(with simple steps).

uysha [10]

Answer-

The zeros are, $5,\ -5,\ 4i,\ -4i$

Solution-

$\Rightarrow -3x^4+27x^2+1200=0$

$\Rightarrow -3(x^2)^2+27(x^2)+1200=0$

Here,

a = -3, b = 27, c = 1200

So,

$x^2=\dfrac{-b\pm \sqrt{b^2-4ac}}{2a}$

$=\dfrac{-27\pm \sqrt{-27^2-4\cdot (-3)\cdot 1200}}{2\cdot (-3)}$

$=\dfrac{-27\pm \sqrt{729+14400}}{-6}$

$=\dfrac{-27\pm 123}{-6}$

$=\dfrac{-27+123}{-6},\ \dfrac{-27- 123}{-6}$

$=\dfrac{96}{-6},\ \dfrac{-150}{-6}$

$=-16,\ 25$

So,

$\Rightarrow x^2=25,\ -16$

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$\Rightarrow x=5,\ -5,\ 4i,\ -4i$

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3 years ago

Joe Popoff, a collection agent, collected 90% of a debt of $5,600.00 that had been overdue 90 days. This collection rate was 5%

sergey [27]

You are given the debt collected by Joe Popoff with a 90% of a debt of $5,600.00 that had been overdue 90 days. This collection rate was 5% more than the average collection rate for that agent. The agent charged 25% commission. You are asked to find the net proceeds.

Amount collected
= $5,600 * 0.90
= $5,040

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= $5,040 * 0.25
= $1,260

Net Proceeds
= $5,040 - $1,260
= $3,780

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3 years ago