Answer:
7. 5 [tex]\frac{5}{8}[/tex] pizza
8. B
9. 11 [tex]\frac{1}{5}[/tex] inches
10. -12
11. [tex]\frac{3}{20}[/tex]
12. 4
Step-by-step explanation:
7. 3 [tex]\frac{1}{2} \\[/tex] + 2 [tex]\frac{1}{8}[/tex]
make them mixed fractions: [tex]\frac{7}{2}[/tex] + [tex]\frac{17}{8}[/tex]
get a common denominator by multiplying [tex]\frac{7}{2}[/tex] by 4: [tex]\frac{28}{8}[/tex] + [tex]\frac{17}{8}[/tex]
add the numerators: [tex]\frac{45}{8}[/tex]
simplify the fraction by dividing 45 by 8: 5 [tex]\frac{5}{8}[/tex]
8. 3 x 6 = 18
5 x 6 = 30
7 x 6 = 42
9 x 6 = 54
therefore, y = 6x
9. 5:7 is similar to 8:L
divide 8 by 5: 1 [tex]\frac{3}{5}[/tex]
multiply 7 by 1 [tex]\frac{3}{5}[/tex]: 11 [tex]\frac{1}{5}[/tex]
L = 11 [tex]\frac{1}{5}[/tex] inches
10. 5 - 2x = 29
subtract 5 from each side: -2x = 24
divide each side by -2: x = -12
11. fruit = 15%
15% = 15/100
simplify by dividing by 5: [tex]\frac{3}{20}[/tex]
12. the y-intercept is where the line crosses the y-axis (the vertical one). the line crosses the y-axis at 4.
