Solve the equation.20x = 54 Round to two decimal places.
A. 0.43
B. 1.99
C. 1.33
D. 0.75
Answer: C
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Solve the problem.The following graph
A. has a single Hamilton circuit (and its mirror-image circuit). B. has several Hamilton circuits, none of which contain the edge BC. C. has no Hamilton circuit. D. has several Hamilton circuits, all of which contain the edge GC. E. none of these
Use a formula to solve the problem.A rectangular Persian carpet has a perimeter of 196 inches. The length of the carpet is 24 inches more than the width. What are the dimensions of the carpet?
A. 61 in. by 85 in. B. 86 in. by 110 in. C. 37 in. by 61 in. D. 74 in. by 98 in.
Solve the problem.A $100,000 trust is to be invested in bonds paying 9%, CDs paying 7%, and mortgages paying 10%. The sum of the bond and CD investment must equal the mortgage investment. To earn an $9100 annual income from the investments, how much should the bank invest in bonds?
A. $30,000 B. $20,000 C. $28,000 D. $50,000
Prove the following statement by contradiction: For all real numbers r and s, if r is rational and s is irrational, then r + 2s is irrational.
What will be an ideal response?