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
vredina [299]
3 years ago
13

Help Please?? 12. Of the following, which one is an observational study? A. Asking hearing-impaired people to try a new style of

earphone to get their opinion B. Comparing survival rates between treating bone cancer with surgery versus treating it with radiation C. recording the daily output of a balloon factory for 6 months D. polling people on their favorite color I believe it would be 'C', yes?
Mathematics
2 answers:
EleoNora [17]3 years ago
6 0
I don’t really kno but it should be d
Semmy [17]3 years ago
4 0
The answer to your question is d

You might be interested in
1)A student earned a grade of 80% on a math test that had 60 problems. How many
FrozenT [24]

Answer:

48

Step-by-step explanation:

80% = .8

60 x .8 = 48

7 0
3 years ago
Read 2 more answers
the data set represents the total number of tickets each person purchased for a play. 0,0,1,1,1,2,2,2,4 4, what is the median of
MrMuchimi
The median or middle would be 1.5, since in the middle are 2 numbers 1, and 2. You would add them together and divide them by 2 and get 1.5
6 0
3 years ago
Need the answer right now
hodyreva [135]

Answer:

Diameter is 19

Step-by-step explanation:

6 0
3 years ago
MATHSWATCH
Jobisdone [24]

Answer:19683x

Step-by-step explanation:

Evaluate the exponent

27.93x

27.729x

i am pretty sure sorry if I am wrong

7 0
3 years ago
Mario is mixing paint for his walls. He mixes 1/6 gallon of blue pain and 5/8 gallon green paint in a large container. Which fra
stellarik [79]
So to add fractions they need to have a common denominator, which in this case is 24. then multiply 1 by 4 and 5 by 3 because whatever you multiply the denominator by you need to do the same to the numerator, which will get you 4/24+15/24 then you add across the numerators and you get 19/24
5 0
3 years ago
Other questions:
  • The speed that a tsunami can travel is modeled by the equation s = 356 StartRoot d EndRoot , where S is the speed in kilometers
    7·1 answer
  • Emilio spins a spinner that is divided into 8 equal sectors numbered 1 through 8. in his first three spins, the spinner lands on
    13·1 answer
  • Factor the expression completely
    8·2 answers
  • HELP PLEASE!
    6·1 answer
  • If M is the midpoint of segment AB and AM=9x-5 and MB=15-x, what is the length of AB?
    10·1 answer
  • The lifetime of a 2-volt non-rechargeable battery in constant use has a Normal distribution with a mean of 516 hours and a stand
    10·1 answer
  • Factorise 4x^3 + 24x^2 Fully
    11·1 answer
  • I have a question about brainly.... how can i change my name?
    12·2 answers
  • What is the equation of the line that passes through the point (−1,−5) and has a slope of −3?
    8·1 answer
  • Which equation has the solution x=7?<br> a-5x+3=45<br> B-3x−8=28<br> c-5x−1=−34<br> D-2x−5=9
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!