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murzikaleks [220]
3 years ago
10

Find 0. Round to the nearest degree. A. 21 B. 22 C. 68 D. 69

Mathematics
1 answer:
kompoz [17]3 years ago
4 0

Answer:

b 22? im not sure jsnsbww

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Form the quadratic equation whose one root is 2 + 2^(1/2)​
Oksanka [162]

9514 1404 393

Answer:

  x^2 -4x +2 = 0

Step-by-step explanation:

The other root is the conjugate of the given one, so is 2-√2. The quadratic equation in factored form is then ...

  (x -2-√2)(x -2+√2) = 0

Expanding this, we get ...

  (x -2)^2 -(√2)^2 = 0

  x^2 -4x +4 -2 = 0

  x^2 -4x +2 = 0 . . . . the equation you're looking for

4 0
3 years ago
<img src="https://tex.z-dn.net/?f=%5Cfrac%7B5m%7D%7B2m%2B2%7D%20%20-%20%5Cfrac%7B5m%7D%7B2%7D" id="TexFormula1" title="\frac{5m}
raketka [301]

Answer:

0/2m

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Can someone help wit this just find the value of x
Romashka-Z-Leto [24]
2x-2+x+5=90
3x+3=90
-3 -3
3x/3 =87/3
x=29
6 0
2 years ago
the fourth term of an arithmetic sequence is 141, and the seventh term is 132. what is the first term?
Cerrena [4.2K]
The 1st, 4th, and 7th terms make an arithmetic sequence of their own. The 4th term is the average of the 1st and 7th, so ...
   (1st +7th)/2 = 4th
   1st + 7th = 2×4th
   1st = 2×4th - 7th

The first term is ...
   2*141 - 132 = 150
7 0
3 years ago
(2x + y) (2x + 2y) =
IceJOKER [234]

Answer: 4x^2 + 6xy + 2y^2

Step-by-step explanation:

(2x + y)(2x + 2y) =

2x*2x + 2x*2y + y*2x + y^2y =

4x^2 + 4xy + 2xy + 2y^2 =

4x^2 + 6xy + 2y^2

3 0
2 years ago
Read 2 more answers
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