Answer:
13
Step-by-step explanation:
x=true/false questions y = multiple choice
3x+5x=86
x+y=20
x=7, y=13
13 multiple choice questions
45.
12/18 = 8/x <=> 2/3 = 8/x <=> x = (3*8)/2 = 12;
Answer: The simplified version of this is 14d²c³√66
Step-by-step explanation:
Answer:
x > 7/4
Step-by-step explanation:
3(x + 7) < 7(x + 2)
Expand brackets: 3x + 21 < 7x + 14
Subtract 14 from both sides: 3x +7 < 7x
Subtract 3x from both sides: 7 < 4x
Divide both sides by 4: 7/4 < x
Therefore x > 7/4
Answer:
21/45
Step-by-step explanation:
You make the denominator the same and u also multiply the top too and u subtract and thats how u get the answer