Add.-6.0 + (-8.4)
A. 2.4
B. 14.4
C. -14.4
D. -2.4
Answer: C
Mathematics
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Find an equation that meets the given conditions.y varies inversely as x3, and y = 
when x = 7.
A. y = 5x3
B. y = 
C. y = 
D. y = 
Mathematics
Find the indicated probability. Round your answer to 6 decimal places when necessary.When a pair of dice is rolled there are 36 different possible outcomes: 1-1, 1-2, ... 6-6. If a pair of dice is rolled 4 times, what is the probability of getting a sum of 5 every time?
A. 
B. 
C. 
D. 
Mathematics
Solve 0 = 16x2 + 40x + 15 using the quadratic formula.
a. 
b. 
c. 
d. 
e. 
Mathematics
Let z vary jointly with x and y. Find the constant of variation k. Then, use 
to find z when x = 5 and y = 7.z = 56 when x = 
and y = 7
A. k = 15; z = 490 B. k = 14; z = 525 C. k = 48; z = 1,680 D. k = 56; z = 1,960
Mathematics