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Akimi4 [234]
3 years ago
14

What number should be added to the expression x^2 + 12x to change it into a perfect square trinomial? Is 36 correct?

Mathematics
1 answer:
galben [10]3 years ago
3 0
x^{2} +12x+n^2 = x^{2} +2*6*x+n^2 \Rightarrow n=6. \\  \\ The~answer~is~36. \\  x^{2} +12x+36=(x+6)^2/
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In a data ,range is 17 and coefficient of range is 0.2 find the smallest term of the data.
anygoal [31]

Answer:

Step-by-step explanation:

Let largest value of data be L

and smallest value of data be S.

We are given that the range and coefficient of range of the data are 17 and 0.2 respectively.

Range formula is given by = Largest value - Smallest value

                   17  =   L - S

                  L = 17 + S ---------- [Equation 1]

Coefficient of range formula = (Largest - Smallest) ÷ (Largest + Smallest)

                                       0.2   =    l-s/l+s

                                      0.2 = 17/l+s

                 L + S = 17/0.2 = 85

So,    L + S = 85

       17 + S + S = 85   {using equation 1}

           2*S = 80

             S = 80/2 = 40

Putting value of S in equation 1, we get L = 20 + 40 = 60

Therefore,  Largest value, L = 60

               smallest value, S = 40

                         

5 0
3 years ago
|18| what is the absolute value?
Tju [1.3M]
The answer is 18, the answer is always just the number in the brackets( hope this helps)
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Harrizon [31]
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Ron's property tax is $615.33 and is due April 5. He does not pay until July 19. The country adds a penalty of 8.4% simple inter
dolphi86 [110]
Number of days that attracted penalty is from April 5 to July 19 which is 105 days.

Thus the amount of simple interest attracted by Ron is given by:

S.I.= \frac{615.33\times8.4\times105}{100\times365} = \frac{542,721.06}{36500} =\$14.87
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3 years ago
Whats 25/7 as a mixed number?
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3 years ago
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