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ZanzabumX [31]
3 years ago
8

Check all solutions to the equation. x² =-4

Mathematics
2 answers:
vovangra [49]3 years ago
4 0

Answer:

x=2i, -2i

Step-by-step explanation:

BARSIC [14]3 years ago
3 0

Answer:

2,-2 or maybe no real solutions but i went with 2,-2

Step-by-step explanation:

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Determine whether the two figures are similar. If so, give the similarity ratio of the smaller figure to the larger figure. The
zloy xaker [14]
We have that

smaller figure
ha=8.7
ra=1.6

larger figure
hb=10.44
rb=1.92

ha/hb=8.7/10.44----> 0.83
ra/rb=1.6/1.92-------> 0.83
ratio smaller figure to the larger figure
1.6/1.92-------> divided by 1.6 both members[1.6/1.6]/[1.92/1.6]-------> 1/1.2

the ratio ha/hb is equal to the ratio ra/rb
so
the smaller figure and the larger figure are similar
and
the ratio smaller figure to the larger figure is equal to---->  1/1.2

the answer is
the option yes 1/1.2
8 0
3 years ago
Patti has two glue sticks that are partially used . One has 1/5 left and one has 3/10 left. Which glue stick has more glue
leonid [27]

Answer:

The second glue stick

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
45 Points! Please explain your answer! Brainliest to whoever does the best!
Alex73 [517]

Answer:

\sf \boxed{\sf \frac{3}{2} } \ miles \  per  \ day

Explanation:

\sf unit \ rate: \dfrac{Total \ distance \  (miles)}{Total \ time \ taken \ (day)}

Here given:

Total \ Distance : 8\dfrac{1}{4} \ or \ 8.25

Total \ Time \ taken : 5\dfrac{1}{2} \ or \ 5.5

Find unit rate:

\rightarrow \sf unit \ rate: \dfrac{8.25 }{5.5 }

\rightarrow \sf unit \ rate: 1.5 \ miles \ per \ day

7 0
3 years ago
How many solutions does this system have? x-2y=2 y=-2x 5
Salsk061 [2.6K]
I am sure it's One Solution

5 0
3 years ago
What is the perimeter of a regular pentagon with a length of 17 cm?
notsponge [240]
A regular pentagon has 5 sides, all of equal length. 
Simply multiply 17 by 5
The answer is 85
8 0
3 years ago
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