(b) Perpendicular lines have to intersect at angle 90.
Answer:
x equals -6/8 in fraction form and -1.33.. in decimal form. I recommend fraction form.
Step-by-step explanation:
Multiply a by the determinant of the 2×2 matrix that is not in a's row or column.
Likewise for b, and for c.
Sum them up, but remember the minus in front of the b.
You multiply 1.77 by every gallon
if you were to buy 10 gallons it would be 17.70$
Fraction of students enrolled in Chinese =
Fraction of students enrolled in French =
Fraction of students enrolled in Spanish =
Solution:
Total number of students = 51 + 33 + 42
= 126
Number of students enrolled in Chinese = 51
Fraction of students enrolled in Chinese
Fraction of students enrolled in Chinese =
Number of students enrolled in French = 33
Fraction of students enrolled in French
Fraction of students enrolled in French =
Number of students enrolled in Spanish = 42
Fraction of students enrolled in Spanish
Fraction of students enrolled in Spanish =