Answer:
3. B
4. A
5. B
Step-by-step explanation:
4. m<1 = m<5
6x+10 = 4x+30
6x-4x = -10+30
2x = 20
(½)2x = 20(½)
x = 10
5. m<2 + m<8 = 180°
(2x-10)+(3x+20) = 180°
5x+10 = 180°
5x = 180°-10
5x = 170°
(⅕)5x = 170° (⅕)
x = 34°
m<2 = 2x-10 m<8 = 3x+20
= 2(34°)-10 = 3(34°)+20
= 68°-10 = 102°+20
=58° = 122°
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Answers & Comments
Answer:
3. B
4. A
5. B
Step-by-step explanation:
SOLUTIONS:
4. m<1 = m<5
6x+10 = 4x+30
6x-4x = -10+30
2x = 20
(½)2x = 20(½)
x = 10
5. m<2 + m<8 = 180°
(2x-10)+(3x+20) = 180°
5x+10 = 180°
5x = 180°-10
5x = 170°
(⅕)5x = 170° (⅕)
x = 34°
m<2 = 2x-10 m<8 = 3x+20
= 2(34°)-10 = 3(34°)+20
= 68°-10 = 102°+20
=58° = 122°