Write the number in scientific notation.45,000,000
A. 4.5 × 106
B. 4.5 × 107
C. 4.5 × 10-7
D. 4.5 × 10-6
Answer: B
Mathematics
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Find the values of a, b, and c for which the quadratic equation ax2 + bx + c = 0 has the given numbers as solutions. Then use those values to write a quadratic equation.2, -9
A. x2 - 18x + 7 = 0 B. x2 - 18x - 7 = 0 C. x2 - 7x - 18 = 0 D. x2 + 7x - 18 = 0
Mathematics
Change to the equivalent decimal.
A. 0.48 B. 4.8 C. 48 D. 0.21
Mathematics
Solve the linear programming problem.Minimize z = 23x + 12y + 24 subject to:x ? 0,
y ? 0,
x + y ? 1.
A. minimum: 36 B. minimum: 47 C. minimum: 24 D. minimum: 59
Mathematics
Simplify. Write your answer in the form a + bi, where a and b are real numbers.Let z = -4 + 4i and w = 6 + 3i. Find z + w.
A. 6 + 7i B. 2 + 7i C. 2 + 10i D. -2 + 7i
Mathematics