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
alina1380 [7]
3 years ago
7

A student answered this story problem. Use estimation to check the student's answer. Lizzie has $49. Her older sister has $184.

How much money do they have altogether? Student's answer: They have a total of $233. Which estimate is correct and was the student's answer reasonable?
Mathematics
1 answer:
Anna35 [415]3 years ago
6 0

Answer:No the student was not right.Neither of the estimations were right because she did not estimate at al.

Step-by-step explanation:

1.Round 49 to the nearest ten: 50.

2.Round 184 to the nearest ten:180.

3.Add 50+180 to get 230.

The student was not right because she did not estimate 49 nor 184.

You might be interested in
Find the number of subsets of the set {1, 2, 3, ..., 9}
Irina18 [472]

Answer:

512

Step-by-step explanation:

the number of subsets of the set {1, 2, 3, ..., 9} is : 2^9 = 512

6 0
2 years ago
Assume the rate of inflation is ​8% per year for the next 2 years. What will be the cost of goods 2 years from​ now, adjusted fo
Paha777 [63]
<h3>Answer: $326.59</h3>

==============================================

Work Shown:

F = future value

P = present value = 280

r = rate of inflation in decimal form = 0.08

t = elapsed time in years = 2

---------

F = P*(1+r)^t

F = 280*(1+0.08)^2

F = 326.592

F = 326.59

8 0
3 years ago
Kareem and Marco went to the mall. Kareem spent $8 less than Marco spent at the mall. Kareem spent more than $15. Write an inequ
mestny [16]
Marco spent more than $23. M > 23

We know the Kareem spent 8 less than Marco and that Kareem spent more than 15. If we add 8 onto the 15, we know that Marco has to be more than 23.

To graph this, draw an open circle at 23 and have an arrow going to the right.
4 0
3 years ago
2.30+2.50+2.75+2.00​
Jet001 [13]

Answer:

9.55 hope this helps :)

Step-by-step explanation:

  1

  2.30

  2.50

+ 2.75

  2.00

-----------

  9.55

4 0
3 years ago
Colleen is selling tubs of popcorn to raise money for the school choir. Her goal is to raise $150. Colleen starts with 40 tubs o
Vanyuwa [196]
Goal: $150
3/4 of 40 : 30
30x3.75= $112.05
She still needs : $37 or $37.05
7 0
3 years ago
Other questions:
  • Subtract.<br> (2x^2+4x−8)−(4x^2−x+1)
    7·2 answers
  • If EF equals 2X -12, FG equals 3X -15 and e.g. equals 23 find EF
    10·1 answer
  • Scientific notation of 10 to the power of negative 9 times (2times 10 square)squared
    7·1 answer
  • Can someone help me with this? Having a hard time..as usual
    10·1 answer
  • Is the GCF right yes or no.
    11·1 answer
  • Order of Operation
    6·2 answers
  • The differences of 4 and a number x is 14
    11·2 answers
  • Find the volume of the trapezoidal prism below. <br> 6 cm<br> 5 cm<br> 12 cm<br> 7.5 cm
    7·1 answer
  • Can you help me with this please 2+6f–2+10f
    15·1 answer
  • Labor productivity is normally measured by Part 2 A. the educational level of workers. B. the change in the amount of leisure. C
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!