Math trouble please help!?
1. Solve for the value of y and the measures of angles 1 and 3. Please show work.
M<1 = (6y +29) M<2 = (4x+31) M<3 = (1 2y -7) M<4 = (6x - 11 ) 2. If B is between A and C, AB=9 and AC=24, what is the value of BC? A) 33 B) 16.5 C) 15 D) 7.5 3. If B is between A and C, AB=2x, BC=4x and AC=42, what is the value of x? A) 7 B) 8 C) 14 D) 42 4. If B is between A and C, AB=3x-1, BC=2x+4 and AC=38, what is the value of BC? A) 7 B) 18 C) 19 D) 20
Favorite Answer
2. AB+BC=AC (add AB and BC to get AC)
9+BC=24 (substitutes the given numbers)
9-9+BC=24-9 (subtract 9 from both sides)
BC=15
3. AB+BC=AC
2x+4x=42
6x=42
6x/6=42/6
x=7
4. AB+BC=AC
3x-1+2x+4=38 (add 3x and 2 x and -1 and 4)
5x+3=38 (subtract 3 from both sides)
5x=35 (divide both sides by 5)
x=7
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