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Setler79 [48]
3 years ago
10

How do u find the output of y²=(9)​

Mathematics
1 answer:
Roman55 [17]3 years ago
4 0
Y² -9=0
a=1, b=0, c=-9
0² -4*1*(-9)
y=36
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8 0
4 years ago
Can someone help me out with these equations?<br> 1. (5+ √3)^2<br> 2. (√6-5√3)^2<br> 3. (6+3√2)^2
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9514 1404 393

Answer:

  1. 28 +10√3
  2. 81 -30√2
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Step-by-step explanation:

It is useful to remember the form for the square of a binomial.

  (a +b)² = a² +2ab +b²

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1. (5 +√3)² = 5² +2·5·√3 +(√3)² = 25 +10√3 +3

  = 28 +10√3

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2. (√6 -5√3)² = (√6)² -2·√6·5√3 +(5√3)² = 6 -30√2 +75

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3. (6 +3√2)² = 6² +2·6·3√2 +(3√2)² = 36 +36√2 +18

  = 54 +36√2

6 0
4 years ago
You paint 12 wall in 14 hour. At that rate, how long will it take you to paint one wall?
motikmotik

Answer:

One hour and 16 minutes

Step-by-step explanation:

12 walls      (divided by 12)                              1 wall

----                                             →                       -----

14 hours  (So here we should do the same)    1.16

4 0
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Answer: Hope this is what your looking for :)

Step-by-step explanation:

6 0
3 years ago
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