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podryga [215]
3 years ago
11

Help my places immediately

Mathematics
1 answer:
il63 [147K]3 years ago
3 0
I believe this is how u do it

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Solve u^2 = -4, where u is a real number. Simplify your answer as much as possible.
alexdok [17]

Answer:

2i and -2i

Step-by-step explanation:

I'll change u to x to be easier to understand.

x^2 = -4

sqrt(x^2) = sqrt(-4)

sqrt(-4) = 2i, or -2i

8 0
2 years ago
What does y=1\4X-5 equal
Tema [17]

Answer:

y= -5/4

Step-by-step explanation:

download a app called math papa. it's a great cheat cheat for these types of problems

8 0
3 years ago
The side of a square is 2.5 cm . Find its perimeter and area
nika2105 [10]

Answer:

Perimeter: 2.5+2.5+2.5+2.5=10.00

Area: 2.5x4=10

Step-by-step explanation:

6 0
3 years ago
If if the branding division were to experience the same percentage increase from year 2 to year 3 as they did from year 1 to yea
Sedaia [141]
Since the basis is from year 1 to year 2, calculate first for the difference of their percentages. That would be:

Difference = year 2 - year 1
Difference = 2.32% - 1.1% = 1.22%

We apply this same value of percentage increase from year 2 to year. Thus, the percentage for year 3 is:

% Year 3 = % Year 2 + percentage increase
% Year 3 = 2.32% + 1.22%
% Year 3 = 3.54%
6 0
3 years ago
A ___ is a transformation that changes the size but not the shape of a figure. A dilation can ____ or ____ a figure
Liula [17]

Answer:

1) Dilation

2) enlarge or shrink

Step-by-step explanation:

1) The shape stays the same, but the area and size change based upon the scale factor (k)

2) Dilation can shrink or enlarge something based upon a scale factor

Vote Brainliest!!

8 0
3 years ago
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