Mathematics, 19.11.2020 21:20 leslya1455213
6 Select all the correct systems of equations. Which systems of equations have no solution? x + 4y = 23 -3x = 12y + 1 2x + y = 17 -4x = 2y - 34 2x + 4y = 22 -x = 2y - 11 3y = 10 - x 2x + y = 7 2x + y = 15 x= 15 - 2y y = 13 - 2x 4x - y = -1
Answers: 1
Mathematics, 21.06.2019 17:10
The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable
Answers: 2
Mathematics, 21.06.2019 23:00
With these 5 geometry questions! pls 1.)quadrilateral abcd is inscribed in this circle.what is the measure of ∠a ? enter your answer in the box.°2.)quadrilateral abcd is inscribed in a circle.what is the measure of angle a? enter your answer in the box.m∠a= 3.)quadrilateral abcd is inscribed in this circle.what is the measure of angle b? enter your answer in the box.m∠b= °4.)quadrilateral abcd is inscribed in this circle.what is the measure of angle a? enter your answer in the box.°5.) quadrilateral abcd is inscribed in this circle.what is the measure of angle c? enter your answer in the box.°
Answers: 1
Mathematics, 22.06.2019 02:00
Student representatives surveyed their classmates on their preference of a school mascot for a new school. the results are shown in the table below. which pair of samples seems most representative of student preference?
Answers: 2
6 Select all the correct systems of equations. Which systems of equations have no solution? x + 4y =...
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