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coolman5999alt
06.09.2019 •
Mathematics
Amanufacturer produces microwaves. she estimates that by selling them for x dollars each, she will be able to sell 230-3x each week.
determine what price will yield a maximum revenue. ( round your answer to two decimal places.)
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Ответ:
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What is the number of degrees in the measure of ∠ABC?
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7 Which figure always has exactly four lines of reflection that map the figure onto itself?
8 In the diagram below of circle O, chord DF bisects chord BC at E.
If BC 12 and FE is 5 more than DE, then FE is
9 Kelly is completing a proof based on the figure below.
She was given that ∠A ≅ ∠EDF, and has already proven AB ≅ DE.
Which pair of corresponding parts and triangle congruence method would not prove ABC ≅ DEF?
10 In the diagram below, DE divides AB and AC proportionally, m∠C = 26°, m∠A = 82°, and DF bisects ∠BDE.
The measure of angle DFB is:
I. Diagonals are perpendicular bisectors of each other.
II. Diagonals bisect the angles from which they are drawn.
III. Diagonals form four congruent isosceles right triangles.