subject
Mathematics, 07.07.2021 20:20 ceceallen2003

Which shows the correct solution of the equation a+b=50, when b=30? 1 2
2a+3 (30) = 50
1
2a + 20 = 50
za+20 - 20 = 50-20
30
(이 글 (30)
a-15
20+ 3 (30) = 50
1
20+20 =50
Saan so
o+20+20=
글 70
a+20+20 -50 + 20

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 16:30
Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.
Answers: 1
question
Mathematics, 21.06.2019 17:30
Find the difference (8ab+a+2) - (3ab+6)
Answers: 1
question
Mathematics, 21.06.2019 20:10
Right triangle xyz has a right angle at vertex y and a hypotenuse that measures 24 cm. angle zxy measures 70º. what is the length of line segment xy? round to the nearest tenth. 8.2 cm 8.7 cm 22.6 m 25.5 cm
Answers: 1
question
Mathematics, 21.06.2019 21:30
Questions 9-10. use the table of educational expenditures to answer the questions. k-12 education expenditures population indiana $9.97 billion 6.6 million illinois $28.54 billion 12.9 million kentucky $6.58 billion 4.4 million michigan $16.85 billion 9.9 million ohio $20.23 billion 11.6million 9. if the amount of k-12 education expenses in indiana were proportional to those in ohio, what would have been the expected value of k-12 expenditures in indiana? (give the answer in billions rounded to the nearest hundredth) 10. use the value of k-12 education expenditures in michigan as a proportion of the population in michigan to estimate what the value of k-12 education expenses would be in illinois. a) find the expected value of k-12 expenditures in illinois if illinois were proportional to michigan. (give the answer in billions rounded to the nearest hundredth) b) how does this compare to the actual value for k-12 expenditures in illinois? (lower, higher, same? )
Answers: 1
You know the right answer?
Which shows the correct solution of the equation a+b=50, when b=30? 1 2
2a+3 (30) = 50
...
Questions
question
Mathematics, 13.07.2019 08:30
question
History, 13.07.2019 08:30
question
Mathematics, 13.07.2019 08:30
question
Mathematics, 13.07.2019 08:30
Questions on the website: 13722363