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abruzzese [7]
2 years ago
11

Whats 15,677 and 30,944 and 87,142 and 62,763 round to the nearest ten thousands

Mathematics
1 answer:
Tasya [4]2 years ago
6 0
15,677 = 20,000
30,944 = 30,000
87,142 = 90,000
62,763 = 62,000
Ten thousands means 10,000
But if it is something like 10,000 - 14,000 you round down
If it is 15,000 - 20,000 you round up
so 1-4 round down 5-10 round up
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A=1/2f(r+z), solve for r
marin [14]

Answer:\frac{2A}{f} -2=f

Step-by-step explanation:

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liraira [26]

Two or zero expresses the possible number of positive real  solutions for the given polynomial equation.

Answer: Option D

<u>Step-by-step explanation:</u>

Given equation:

        x^{3}-4 x^{2}-7 x+28=0

First, we put hit and trial method to find out the one solution. So, if we put x=4 then the above expression will become zero.  We can also write the above expression as  

      (x-4) \times\left(x^{2}-7\right)=0

We know the formula, a^{2}-b^{2}=(a+b)(a-b), make use of this, we get

   (x-4) \times(x-\sqrt{7}) \times(x+\sqrt{7})=0

So, x=4, \sqrt{7},-\sqrt{7}

Hence, from the above expression, we have three values of x as x= 4, 2.64 and -2.64

8 0
2 years ago
Please answer the following Question (35 Points)
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Answer:

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14

Step-by-step explanation:

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