Mathematics
Mathematics, 22.03.2021 20:20, atiyawhite4488

Maria solved a math homework problem incorrectly. Given 7(3x + 4 + x) - 4x + 8
Step 1: 7(4x + 4) - 4x + 8
Step 2: 28x + 4- 4x + 8
Step 3: 28x - 4x + 4 + 8
Step 4: 24x + 12
Between which two steps is Maria's first mistake seen?
Given and Step 1
Step 1 and Step 2
Step 2 and Step 3
Step 3 and Step 4

answer
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 18:30, Trinityslater
It says factor each expression completely 8y+48
Answers: 1
image
Mathematics, 21.06.2019 20:30, Gabyngreen
What is the interquartile range of this data set? 2, 5, 9, 11, 18, 30, 42, 48, 55, 73, 81
Answers: 1
image
Mathematics, 21.06.2019 22:30, BigGirlsTheBest
At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?
Answers: 1
image
Mathematics, 21.06.2019 23:10, alemorachis49
You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?
Answers: 2
Do you know the correct answer?
Maria solved a math homework problem incorrectly. Given 7(3x + 4 + x) - 4x + 8
Step 1: 7(4x +...

Questions in other subjects: