Answer:
First option: (x+9)^2=81
Step-by-step explanation:
It has the same solution
Answer:
-25
Step-by-step explanation:
if you are multiplying x by -2/5 you have to divide each side by it to get
x = 10 ÷ -2/5
and if you change it to (10/1)/(-2/5)
=(10/1) • -5/2
and whene you multiply them you get -50/2
which is -25/1 or -25
Answer:
0.44 (44%) of the students are boys.
Step-by-step explanation:
Hope this helps!
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I think it might be C or B I'm honestly not 100% sure.
The ratio x : x : x√2 has two parts identical to each other ( x : x) this means two of the angles also need to be identical.
Answer: 45 -45 -90
