4.
gold = 150/360 = 42%....0.42(60) = 25
silver = 90/360 = 25%...0.25(60) = 15
bronze = 120/360 = 33%...0.33(60) = 20

5.
radio = 50/360 = 14%....0.14(270,000) = 37,800
internet = 90/360 = 25%...0.25(270,000) = 67,500
t.v. = 75/360 = 21%...0.21(270,000) = 56,700
magazines = 145/360 = 40%...0.40(270,000) = 108,000

6.
U.K. = 90/360 = 25%....0.25(2000) = 500
Japan = 126/360 = 35%..0.35(2000) = 700
other = 99/360 = 27.5%...0.275(2000) = 550
U.S.A. = 45/360 = 12.5%...0.125(2000) = 250

5 0

4 years ago

Select the correct graph of -4x + 3y = 6

artcher [175]

-4x + 3y = 6
-4x + 4x + 3y = 6 + 4x
3y = 6 + 4x
3 3
y = 2 + 4/3x
-4x + 3(2 + 4/3x) = 6
-4x + 6 + 4x = 6
-4x + 4x + 6 = 6
0x + 6 = 6
 -6 -6
 0x = 0
 0 0
 x = 0
-4(0) + 3y = 6
 0 + 3y = 6
 +0 +0
 3y = 6
 3 3
 y = 2
 (x, y) = (0, 2)

3 0

3 years ago