subject
Mathematics, 16.10.2019 20:20 RKennedy3448

Anne solved 5(2x) - 3 = 20x + 15 for x by first distributing 5 on the left side of the equation. she got the answer x = -3. when she substituted-3 into the original equation her answer was incorrect. explain anne's error, and find the correct answer.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 13:50
James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b? define a variable for the situation. write an inequality that represents the situation. solve the inequality to find out how many months he needs to keep the website for site a to be less expensive than site b. using words, describe how many months he needs to keep the website for site a to be less expensive than site b.
Answers: 1
question
Mathematics, 21.06.2019 14:30
Find the arc length parameter along the given curve from the point where tequals=0 by evaluating the integral s(t)equals=integral from 0 to t startabsolutevalue bold v left parenthesis tau right parenthesis endabsolutevalue d tau∫0tv(Ο„) dΟ„. then find the length of the indicated portion of the curve r(t)equals=1010cosine tcost iplus+1010sine tsint jplus+88t k, where 0less than or equals≀tless than or equals≀startfraction pi over 3 endfraction Ο€ 3.
Answers: 3
question
Mathematics, 21.06.2019 16:30
Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.
Answers: 1
question
Mathematics, 22.06.2019 01:30
Acompany that makes? hair-care products had 5000 people try a new shampoo. of the 5000 ? people, 35 had a mild allergic reaction. what percent of the people had a mild allergic? reaction?
Answers: 2
You know the right answer?
Anne solved 5(2x) - 3 = 20x + 15 for x by first distributing 5 on the left side of the equation. she...
Questions
question
Mathematics, 26.03.2021 16:30
question
Mathematics, 26.03.2021 16:30
question
Mathematics, 26.03.2021 16:30
question
Mathematics, 26.03.2021 16:30