Rationalize the denominator.
A. 7 - 1
B. 7 + 7
C.
D. 7 - 7
Answer: D
Mathematics
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Find the area of the triangle.
A. A = 30 m2 B. A = 15 m2 C. A = 4.75 m2 D. A = 7.5 m2
Mathematics
Write the division statement that corresponds to the situation. Do not carry out the division.A dinner bill totaling $n was split among 2 people.
A. 2 - $n B. 2 ÷ $n C. $n - 2 D. $n ÷ 2
Mathematics
Use positive rational exponents to rewrite the expression. Assume variables are positive.
A. x7/2 B. x1/14 C. x2/14 D. x2/7
Mathematics
Solve the problem.Suppose a life insurance policy costs $20 for the first unit of coverage and then $5 for each additional unit of coverage. Let C(x) be the cost for insurance of x units of coverage. What will 10 units of coverage cost?
A. $50 B. $65 C. $70 D. $30
Mathematics