pa help po, grade 9 math
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pa help po, grade 9 math
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Answer:
1) C
2) B
3) A
4) A
5) B
if its wrong correct me!
Answer:
1. B
2. C
3. B
4. A
5. C
Step-by-step explanation:
1. 5x2=10
2. 2x-1= x+8
x=9
substitute x=9 to 2x-1 and x+8 and the result to each one is 17.
3. 2x-7= x+20
x= 27
2x-7 substitute 27 to x = 2x27-7 =54-7= 47 the same as x+20
4. They have the same angle.
5. same as 2 and 3. but use the perimeter formula of a square.. which you have to multiply it by 4.
2x-7=x+14
x= 21
2x-7= 2x21-7= 42-7=35 35x4= 140cm