Answer:
(121 - x2) / (11 - x)
Step-by-step explanation:
Answer:
x = -2
Step-by-step explanation:
Answer:
Fraction =
Decimal = 0.38
Percent = 38%
Step-by-step explanation:
Number of shaded rectangles = 38
Total number of rectangles = 100
Fraction represented by the shaded area =
=
=
=
Decimal form of the shaded area = = 0.38
Percent of the shaded area = = 38%
Answer:
x = 7/3 y = 5/3
Step-by-step explanation:
x + y = 4 Rearrange it to make y the subject
y = 4 - x
2x - y = 3 substitute in rearranged value for y
2x - (4 - x) = 3
3x - 4 = 3
3x = 7
x = 7/3
Substitute into equation 1
7/3 + y = 4
y = 5/3