1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Mashcka [7]
3 years ago
15

Arlene is showing her work in simplifying −7.9 + 8.2 − 3.4 + 2.1. Identify any errors in her work or in her reasoning. Write fee

dback to Arlene explaining the mistake she made and how to correct her work.
the way she did it was

Step Work Reasoning
−7.9 + 8.2 − 3.4 + 2.1 Original problem
1 −7.9 + 8.2 + (−3.4) + 2.1 Additive inverse
2 −7.9 + (−3.4) + 8.2 + 2.1 Associative property
3 (−7.9 + (−3.4)) + (8.2 + 2.1) Commutative property
4 −11.3 + 10.3 Simplify
5 −1 Simplify
Mathematics
2 answers:
kodGreya [7K]3 years ago
7 0
The answer is correct but i do not know what ARLENE did wrong
Ivanshal [37]3 years ago
7 0

She wrote +(-3.4) wrong

You might be interested in
Help ASAP:Solve : 0.84+91.279
jeka94

Answer:

92.119

Step-by-step explanation:

0.84+91.279=92.119

Hope this helps!

6 0
3 years ago
Read 2 more answers
HELPPPPPPP
statuscvo [17]

Answer:

Step-by-step explanation: so to convert degrees to radians, you multiply your number by pi/180. You then have 96pi/180 radians. Reduce the fraction to simplest form and u have 8pi/15

3 0
3 years ago
Choose one card value and its additive inverse. Choose from the list below to write a real-world story problem that would model
Pani-rosa [81]

Answer:

the answer is a

Step-by-step explanation:

above sea level is positive and below sea level is negative

hope this helps

4 0
3 years ago
Read 2 more answers
What is the length of line segment A.B?<br> Please help!!
weqwewe [10]

Answer:

x = 6.40 units

Step-by-step explanation:

4^2 + 5^2 = x^2

x = 6.40 units

5 0
3 years ago
Mrs. wright made 92 cups of fruit punch for a party. how many gallons of punch did she make?
Genrish500 [490]

Answer:

5.75 - 5 3/4

Step-by-step explanation:

1 Cup = 0.0625 gallons

92 cups = 5.75 gallons

8 0
1 year ago
Other questions:
  • Sixteen more than twice a number,m, is 36. write an equation and solve to find the number.
    15·1 answer
  • Sandra scores 4 baskets in his first basketball game. She then scored the same number of baskets in each of her next 3 games. If
    10·2 answers
  • Which expressions are equivalent to 4b4b ? Choose all answers that apply: Choose all answers that apply: (Choice A) A b+2(b+2b)b
    15·2 answers
  • the function f(x)= sqrt x is translated left 5 units and up 3 units to create the function g(x). what is the domain of g(x)?
    10·2 answers
  • A collector bought a rare coin for $30. The coin is now valued at $37.50. What is the percent increase in value?​
    15·1 answer
  • 3) Kelsey takes out a loan for $8000 to start a business after high school. The bank
    5·1 answer
  • What is this answer 2000(0.085)
    13·1 answer
  • I’m I right? I kinda but kinda don’t get this question I lost my notes and I just learnt this
    7·2 answers
  • Evaluate ÷x+2 for x=49 <br>12<br>2<br>9<br>15 ​
    11·2 answers
  • Help asap!!!<br> i cant understand :,(<br> need answer !!!!!!!!!!!
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!