Write the relationship as a formula.If two capacitors C1 and C2 are connected in series, the total capacitance Ct is found by dividing the product of the two capacitances by their sum.
A. Ct = 
B. Ct = 
2
C. Ct = 
D. Ct = 
Answer: C
Mathematics
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Solve the problem.Dolores bought a record album that regularly sold for $6.99 at a 40% discount. What was the amount of the discount? Round to the nearest cent.
A. $2.40 B. $2.84 C. $2.76 D. $2.80
Mathematics
Translate the sentence to an equation using x as the variable. Do not solve the equation.Twenty-four less than a number is equal to the product of five and x.
A. x - 24 = 5 + x B. x - 24 = 5 + x C. 24 - x = 5x D. x - 24 = 5x,
Mathematics
Multiply.
2
A. 81z2 + 2z
B. 81z2 + 2z + 
C. 
z2 - 2z + 81
D. 81z2 - 
z - 
Mathematics
Complete the identity.tan ?(cot ? - cos ?) = ?
A. 1 B. -sec2 ? C. 0 D. 1 - sin ?
Mathematics