Solve and check the equation.7 - 5x = -33
A. {-8}
B.
C. {8}
D.
Answer: C
Mathematics
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Find the intersection.9x + 8y - 9z = -3, -7x - 5y + 7z = 10
A. x = 11t + 65, y = 0t + 69, z = -11t
B. x = 121t + 65, y = 0t - 69, z = -11t
C. x = -11t - 65, y = 0t + 69, z = -11t
D. x = 11t - , y = 0t +
, z = 11t
Mathematics
Solve the problem.A certain company has found that its expenditure rate per day (in hundreds of dollars) on a certain type of job is given by where x is the number of days since the start of the job. Find the expenditure if the job takes 3 days.
A. $4100 B. $41 C. $7800 D. $78
Mathematics
Express the vector as a product of its length and direction.12i - 4j - 18k
A. 22(i - j - k)
B. 22
C. 22
D. 22
Mathematics
Solve the equation involving fractions. = 1 +
A. -2, 4 B. No solution C. 6, 10 D. -12
Mathematics