Question : Evaluate the formula for the given values of the variables. : 2161405
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Evaluate the formula for the given values of the variables.
1) P = 2L + 2W; L = 3 in., W = 3 in.
A) P = 6 in.
B) P = 36 in.
C) P = 12 in.
D) P = 18 in.
2) d = rt; r = 52 miles per hour, t = 3 hours
A) d = 156 miles
B) d = (52/3) miles
C) d = 55 miles
D) d = 312 miles
3) When all n teams in a league play every other team twice, a total of N games are played, where N = n2 - n. A basketball league has 7 teams and all teams play each other twice. How many games are played?
A) 56 games
B) 7 games
C) 42 games
D) 21 games
Solve.
4) A = (1/2)bh for b
A) b = (A/2h)
B) b = (2A/h)
C) b = (h/2A)
D) b = (Ah/2)
5) V = (1/3)Bh for B
A) B = (3V/h)
B) B = (3h/V)
C) B = (h/3V)
D) B = (V/3h)
6) F = (9/5)C + 32 for C
A) C = (5/9)(F - 32)
B) C = (F - 32/9)
C) C = (5/F - 32)
D) C = (9/5)(F - 32)
7) a + b = s + r for r
A) r = (a/s) + b
B) r = a + b - s
C) r = (a + b/s)
D) r = s(a + b)
8) x = (w + y + z/3) for y
A) y = 3x + w + z
B) y = x - w - z - 3
C) y = 3x - 3w - 3z
D) y = 3x - w - z
9) V = 5s3 for s3
A) s3 = V - 5
B) s3 = (V/5)
C) s3 = 5V
D) s3 = (5/V)
Solve the problem. Round to the nearest hundredth, if necessary.
10) What is 10% of 400?
A) 0.4
B) 400
C) 4
D) 40
11) What is 5% of 400?
A) 2
B) 200
C) 20
D) 0.2
12) What is 35% of 1612?
A) 56,420
B) 5642
C) 56.42
D) 564.2
13) What is 87% of 483?
A) 42.02
B) 4202.1
C) 42,021
D) 420.21
14) What number is 8.8% of 17?
A) 0.15
B) 1.5
C) 15
D) 150
15) What number is 7000% of 386?
A) 27,020
B) 2702
C) 270,200
D) 2,702,000
16) What number is 150% of 434?
A) 65,100
B) 65.1
C) 651
D) 6510
17) 84 is 70% of what number?
A) 58.8
B) 12
C) 120
D) 1200
18) 18 is 5% of what number?
A) 3600
B) 36
C) 360
D) 90
19) 35% of what number is 75?
A) 47
B) 0.47
C) 2142.9
D) 214.29
20) 10% of what number is 71?
A) 7.1
B) 710
C) 7100
D) 71
21) 78 is 136% of what number?
A) 184.96
B) 573.5
C) 18,496
D) 57.35