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Veronika [31]
2 years ago
8

Please anyone help me ​

Mathematics
1 answer:
gulaghasi [49]2 years ago
5 0

Answer:

cant tell what ths says

Step-by-step explanation:

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Write the given expression in terms of i : √-245
tankabanditka [31]
Okay, so first things first:
i = \sqrt{-1} 

That said, no answer that has -245 is correct.

Now we just need to solve \sqrt{245}
245/5=5*49
\sqrt{5}  * \sqrt{49} = 7i*\sqrt{5}
So, that's your answer, option D.

3 0
3 years ago
What is the surface area of the figure shown above
gtnhenbr [62]

Answer:

  230 cm^2

Step-by-step explanation:

The area of each parallelogram face is ...

  A = bh = (8 cm)(3 cm) = 24 cm^2

The area of the two rectangular faces shown is ...

  A = (area of top face) + (area of right side face)

  A = (8 cm)(7 cm) +(5 cm)(7 cm) = 91 cm^2

The three faces we have figured the area of are half the total area, since there are three more faces exactly the same size. Then the total area of the figure is ...

  total surface area = 2(24 cm^2 +91 cm^2) = 230 cm^2

_____

Of course, the area of a rectangle is given by A=L·W, where L and W represent the length and width of the rectangle.

7 0
3 years ago
The table below represents a linear function f(x) and the equation represents a function g(x):
Goshia [24]
The slope of f is 10 because as x increases by 1, f(x) increases by 10.The slope of g is lesser at 5, because every time x increases it only increases by 5. By plugging in 1 and 2 to g(x), we can see that g(2)=11, which is 5 more than g(1)=6.
6 0
3 years ago
Write the ratio as a fraction in simplest form. The ratio for 18 girls to 27 boys as a fraction is .
love history [14]

Answer:

2/3

Step-by-step explanation:

Reduce the fraction 18/27 into its lowest terms

since both 18 and 27 are divisible by 9, divide both terms by 9

  18/9 = 2

  27/9 = 3

18/27 reduced to lowest terms is 2/3

6 0
3 years ago
What do X and Y equal with the elimination process?
aleksandr82 [10.1K]
X could possibly be 5 and y could  possibly be 5  <span />
3 0
3 years ago
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