Answer/Step-by-step explanation:
1. 
; 3
Let's solve for a.
(subtraction property of equality)
(division property of equality)
Therefore, 3 is a solution to 9 = 2a + 3
2. 
; 7
(- × - = +)
(Subtraction property of equality)
(division property of equality)
Therefore, 7 is not a solution of
3. 
; 1
Therefore, 1 is a solution of .
4/25
Step-by-step explanation:
16/100, 8/50, 4/25
4 in normal math, but in binary the answer is 1.
Answer:
x=58
Step-by-step explanation:
1) You have to remember all triangles have to equal 180 degrees
2) You have to know that the box on the left-hand corner of the triangle means it's angle measure is 90 degrees
3) After knowing this you can already add 32+90 and get 122 degrees (32+90=122)
4)Now remember step 1; so you subtract 122 from 180 like so (180-122)
5) After doing so you will get the answer of 58 degrees (180-122=58)
6) So now you solution is x=58
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