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Dominik [7]
2 years ago
9

Divide 2x2 +5x+2 by 2x+1​

Mathematics
1 answer:
Serggg [28]2 years ago
8 0

the answer is   [    x + 2   ]

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What is 0.285714 as a fraction not simplified
MrRa [10]

Answer:

2/7

Step-by-step explanation:

I am assuming that you mean 285714 repeating.

You just have to memorize or learn to recognize the order of decimal digits for fractions over 7, unless you want to do it algebraically.

1/7=0.142857 repeated

2/7=0.285714 repeated and so on


8 0
3 years ago
How do i do this, my son is struggling and he needs help
expeople1 [14]

Answer:

32

Step-by-step explanation:

angle a is the outside angle. It creates a circle that will always equal 360 degrees. Since the outside angle is 302, the inside angle must be 58 degrees (360-302). The top square angle will be 90 degrees (a square angle is always 90 degrees). Since the angles in a triangle always add up to 180 degrees, we need to add 58 and 90, and then subtract it from 180, which equals 32. So, angle x equals 32.

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2 years ago
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The area of a rectangle is 56 square yards. Its length is 2 yards more than three times its width. Find its dimensions
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3 years ago
Ch mensuration of class 8
AVprozaik [17]

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8x^2 + 6xy - 5y^2 + 26

Step-by-step explanation:

See attached image.

4 0
2 years ago
A researcher conducted an Internet survey of 500 students at a particular college to estimate the average amount of money studen
bonufazy [111]

Answer:

The margin of error is  ME = 2.2962

Step-by-step explanation:

From the question we are told that

     The number of student is n = 500

     The highest amount is  A =$200

     The lowest amount is  B = $75

       The sample mean is  x = &140

The Standard deviation  of this set is mathematically evaluated as

            s =  \frac{A-B}{4}

Substituting values

            s =  \frac{200-75}{4}

            s = 31.25

The margin of error (ME) is mathematically evaluated as

            ME =  t_{n-1}__{\alpha }} *  \frac{s}{\sqrt{n} }

Where  t_{n-1}__{\alpha }} is the critical value for \alpha  = 0.05 i.e the significance level

     From the critical value table this is  t_{n-1}__{\alpha }}  =  1.649

So

       ME =  1.649  *  \frac{31.25}{\sqrt{500} }

      ME = 2.2962

6 0
3 years ago
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