51-12 using a number line
2 answers:
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Answer:
7. 5 pizza
8. B
9. 11 inches
10. -12
11.
12. 4
Step-by-step explanation:
7. 3 + 2
make them mixed fractions: +
get a common denominator by multiplying by 4:
+
add the numerators:
simplify the fraction by dividing 45 by 8: 5
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
multiply 7 by 1 : 11
L = 11 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:
12. the y-intercept is where the line crosses the y-axis (the vertical one). the line crosses the y-axis at 4.