Solve the problem.State whether the vectors v = 3i + 3j and w = 4i + 3j are orthogonal.
A. orthogonal
B. not orthogonal
Answer: B
Mathematics
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Find the square root correct to the thousandths place.
A. 0.333 B. 0.167 C. 0.577 D. 1.155
Mathematics
The pair of figures is similar. Find the missing side n. Round to the nearest tenth when necessary.
A. n = 57 cm B. n = 6.3 cm C. n = 1.4 cm D. n = 513 cm
Mathematics
Translate the sentence to an equation.The product of negative two and a number is twenty-four.
A. -12n = 2 B. -2 + n = 24 C. -2n = 24 D. -2 - n = 24
Mathematics
Solve.A credit company allocates 8-digit account numbers such as 1122-3421 where the digits 1 through 9 are used. How many different account numbers can there be?
A. 40,320 B. 43,046,721 C. 13,440 D. 220,345
Mathematics