Explain the mistake in the translation. Then write the correct translation.six times the sum of x and nine is equal to eighty-four.Translation: 6x + 9 = 84.
What will be an ideal response?
Mistake: multiplied 6 times x instead of the sum
Correct: 6(x + 9) = 84
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Solve the problem.At the first tri-city meeting, there were 8 people from town A, 7 people from town B, and 5 people from town C. If the council consists of 5 people, find the probability of 2 from town A, 2 from town B, and 1 from town C.
A. 0.038 B. 0.090 C. 0.190 D. 0.076
Multiply the polynomials using the FOIL method. Express the answer as a single polynomial in standard form.(x - 7)(x - 4)
A. x2 - 12x + 28 B. x2 - 11x + 28 C. x2 - 11x - 11 D. x2 + 28x - 11
Solve the problem.The area of a circle is 81? square meters. Find its radius.
A. 40.5 m B. 8 m C. 18 m D. 9 m
Find the vertex, focus, and directrix of the parabola. Graph the equation.y2 + 12y = 4x - 20
A. vertex: (-4, -6)
focus: (-4, -5)
directrix: y = -7
B. vertex: (-4, -6)
focus: (-5, -6)
directrix: x = -3
C. vertex: (-4, -6)
focus: (-3, -6)
directrix: x = -5
D. vertex: (-4, -6)
focus: (-4, -7)
directrix: y = -5