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
Alexxandr [17]
3 years ago
7

Sebastian was in a hotel lobby and took the elevator up 7 floors to his room. Then he took the elevator down 9 floors to the par

king garage. He described his movement with the expression below. 9 + (negative 7) What is Sebastian's error?
Mathematics
2 answers:
Aliun [14]3 years ago
8 0

Answer:

Sebastian should have started at zero before adding –7.

Step-by-step explanation:

nvm wrong

Aleks [24]3 years ago
4 0

Answer:

Sebastian's error = 9 + (-7)

The correct expression for Sebastian's movement = 7 + (-9)

Step-by-step explanation:

Using the Lobby as a reference point

Sebastian's took 7 floors to his room

Hence, Lobby + 7 floors = Sebastian's room

Then, he took 9 floors down to the garage

Hence, Room - 9 floors = Garage

Therefore the total movement for Sebastian = Number of floors taken to his room + Number of floors taken to the garage

= 7 +(-9)

a) Sebastian's error was making the number of movements to his room negative, it is meant to be positive because he took the elevators UP

b) Sebastian's error was making the number of movements to the elevator positive, it is meant to be negative because he took the elevators DOWN to the garage

Hence, the correct expression = 7 +(-9)

You might be interested in
5 The width of this rectangle is of the length. Find the
LenKa [72]

Answer:

4 in.

Step-by-step explanation:

8 0
3 years ago
How will rational numbers help in future
allochka39001 [22]

Answer:

They are used to share something among friends , Like if there are four friends and they want to divide a cake equally among themselves , then the quantity of cake that each friend will get will be one-fourth of the cake , That is a rational number 1/4.

Step-by-step explanation:

short answer it won't trust me

7 0
3 years ago
Step by step what is the answer to 11=12-q
Shtirlitz [24]

Your answer: q=1.

-

Steps:

1.) Add q to both sides. (11 + q = 12 - q + q.)

2.) Simplify. (11 + q = 12.)

3.) Subtract 11 from both sides. (11 + q - 11 = 12 - 11.)

4.) Simplify again. (q = 1.)

-

Hope this helped :)

7 0
3 years ago
If 14 songs were 9.38 dollars how much would one be
zheka24 [161]

Answer:

each song would be 67 cents (0.67)

Step-by-step explanation:

9.38/14=0.67

5 0
2 years ago
Solve the inequality for x. Show each step of the solution. <br><br> 12x&gt;3(2x+4)-15
Leto [7]

Answer:

x<-2

Step-by-step explanation:

12x>6x+12-15 (first distribute)

12x>6x-3 (simplify)

6x>-3 (put like terms on one side by subtraction)

x<-2 (divide and switch inequality sign since you divided by a negative)

5 0
3 years ago
Other questions:
  • I need the answer for number 8<br><br> 13 points
    8·2 answers
  • Miss Stoner purchase a new computer for $1,150 at the Apple store if sales tax is 7.5% what is the total of her purchase
    5·1 answer
  • In the diagram, P1P2 and Q1Q2are the perpendicular bisectors of AB¯¯¯¯¯ and BC¯¯¯¯¯, respectively. A1A2 and B1B2 are the angle b
    7·1 answer
  • HELP ME ASAP! Will give BRAINLIEST! Please read the question THEN answer correctly! No guessing.
    7·1 answer
  • Write the equation x2+24x+60=0 in the form (x+p)2=q
    6·1 answer
  • Find integers a, b, and c such that a) a | (b - c) but a - b and a - c b) a | (2b + 3c) but a - b and a - c
    12·1 answer
  • Can someone help me please
    10·1 answer
  • X − 3 ≥ 6<br><br> pls help me
    10·2 answers
  • How many three-digit numbers are divisible by 2,3 or 5? plEASe helP I aM DeSpeRatE
    14·2 answers
  • What is the measure of DAB in the parallelogram ABCD
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!