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sergij07 [2.7K]
3 years ago
15

If every positive number has two square roots and you can find of the side of a square window by finding a square root of the ar

e, why is there only one answer for the length of a side?
Mathematics
1 answer:
butalik [34]3 years ago
5 0
Every positive number has two square roots - a positive and a negative (unless the value is 0).
The length of something can only be a positive number and since there is only one positive square root, there is only one answer.
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What is the fewest number of distinct points that must be graphed?
yanalaym [24]

Answer:

2

Step-by-step explanation:

This depends on what type of graph, like quadratic, linear, etc. For linear it would be 2 points.

3 0
3 years ago
You use a microscope to look at bacteria that is 0.0034 millimeter long. The microscope magnifies the bacteria 430 times. How lo
leva [86]
ANSWER: 1.562
move the decimal point of 0.0034 to the right  to make it a whole number which is 34. Then multiply 34 times 430 which is 15,620.
move the decimal point  (which is at the end) 4 times to the left
the answer will be 1.562
4 0
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Read 2 more answers
Multiply and simplify: 3a(4a2 – 5a + 12)
DochEvi [55]
3a(4a²-5a+12)

12a³-15a²+36a

~Hope this helped!~
3 0
3 years ago
Why is ten a good number ?
timurjin [86]
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8 0
3 years ago
Two families went to the event. The first family bought two children's tickets and one adult ticket and paid a total of 8.2 euro
blagie [28]

Answer:

Step-by-step explanation:

step a system of two equations         c = child ticket     a = adult ticket

eq 1)  2c + 1a = 8.2            multiply by 2

eq 2) 3c + 2a = 14.1

I will multiply eq 1 times TWO and subtract eq 2 from eq 1a)

         eq 1a)  4c + 2a = 16.4

          eq 2)  3c + 2a = 14.1

subtract  (4c - 3c) + (2a -2a)  = 16.4 - 14.1  

                    c      +       0       =   2.3 euros     for one child ticket

Now find the adult ticket price,  plug 2.3 for c into eq 1)

     eq 1)  2c + 1a = 8.2

     eq 1)  2(2.3) + 1a = 8.2         solve for a

                 4.6  + a   =  8.2         substract 4.6 from both sides

                             a =  8.2 - 4.6

                               =   3.6 euros    for one adult ticket

double check using eq 2)    we know c and a values

    eq 2)  3c + 2a = 14.1

    eq 2)  3(2.3) + 2(3.6) = 14.1

                   6.9 + 7.2    =  14.1

                          14.1    =  14.1

5 0
3 years ago
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