Mathematics, 01.09.2019 12:30 goofy44
The reflecting dish of a parabolic microphone has a cross-section in the shape of a parabola. the microphone itself is placed on the focus of the parabola. if the parabola is 24 inches wide and 4 inches deep, how far from the vertex should the microphone be placed?
Answers: 1
Mathematics, 21.06.2019 17:30, blakestuhan
Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?
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Mathematics, 21.06.2019 19:30, bakaoffire
Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?
Answers: 1
Mathematics, 21.06.2019 19:30, leilanimontes714
Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11
Answers: 1
The reflecting dish of a parabolic microphone has a cross-section in the shape of a parabola. the mi...
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