Mathematics, 06.07.2019 04:10 adam4449
Write the contrapositive of the conditional statement. determine whether the contrapositive is true or false. if it is false, find a counterexample. two angles measuring 180 are supplementary. a two angles not measuring 180 are not supplementary. true b two angles not measuring 180 are supplementary. false c non-supplementary angles are two angles not measuring 180. true d more than two angles measuring 180 are non-supplementary. true
Answers: 2
Mathematics, 21.06.2019 12:30
1. a driveway has a 15Β° grade. if the driveway is 40 meters long, how much does the driveway rise? (nearest tenth of a meter) 2. a person located 4 miles from a rocket launch site sees a rocket at an angle of elevation of 32Β°. at that moment, how high is the rocket above the ground? (nearest tenth of a mile) 3.an airplane approaches an airport landing strip with an angle of depression of 12Β°. if the airplane is flying at an altitude of 20,000 feet, find the distance on the ground that the plane will need to land. (nearest 1,000 feet) 4.two buildings are located on opposite sides of the street, 40 meters apart. the angle of elevation from the top of the shorter building to the top of the taller building is 53Β°. if the taller building is 300 meters tall, what is the height of the shorter building? (nearest meter) 5.george is 187 cm tall. his son, ralph, is 142 cm tall. who casts the longer shadow. george when the sun is 65Β° above the horizon, or ralph when the sun is 56Β° above the horizon? how much longer? (nearest centimeter)
Answers: 1
Mathematics, 21.06.2019 18:30
What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?
Answers: 1
Mathematics, 21.06.2019 21:20
The edge of a cube was found to be 30 cm with a possible error in measurement of 0.4 cm. use differentials to estimate the maximum possible error, relative error, and percentage error in computing the volume of the cube and the surface area of the cube. (round your answers to four decimal places.) (a) the volume of the cube maximum possible error cm3 relative error percentage error % (b) the surface area of the cube maximum possible error cm2 relative error percentage error %
Answers: 3
Mathematics, 22.06.2019 00:50
Melissa is purchasing a $160,000 home and her bank is offering her a 30-year mortgage at a 4.9% interest rate. in order to lower her monthly payment, melissa will make a 20% down payment and will purchase 3 points. what will her monthly mortgage payment be? a. $645.98 b. $650.46 c. $662.93 d. $606.69
Answers: 2
Write the contrapositive of the conditional statement. determine whether the contrapositive is true...
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