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
Sav [38]
3 years ago
12

Plz help me with this

Mathematics
2 answers:
Harlamova29_29 [7]3 years ago
4 0

hey friend it is Observational study because it says that her records hourly temperature over the course of several years in order to make a decision(variations) or to analyse his experiments. ;)

Svetllana [295]3 years ago
3 0

Answer:  B) Observational Study

<u>Step-by-step explanation:</u>

A) Experiment is when the researcher influences the results in some manner

B) Observational Study is when the researcher observes or measures the data but does not influence the results.

C) Survey is when the researches collects data from a sample group to evaluate data about a larger group.

You might be interested in
translate this into an equation, use n for the number: "the different of 3 times a number and 6 is twice the number."
natali 33 [55]

Answer:

6

Step-by-step explanation:

6 * 3 = 18

18 - 6 = 12

12 is twice of 6, the number

4 0
3 years ago
Express 72% as a decimal and as a fraction in simplest form
Greeley [361]
Decimal: 0.72
Fraction: 18/25
8 0
3 years ago
Read 2 more answers
Name the identical triangles and measurement of side BA
aalyn [17]

Step-by-step explanation:

BE/BC=BD/BA

tHE TWO SIMILAR TRIANGLES ARE BED AND BC. tHE PROPORTION ABOVE REPRESENTS USE OF THE TWO SIMILAR TRIANGLES.

4/(4 + 10) = 5/(5+X) Cross Multiply

4(5+x) = 5(4+10)m

20 +4x=20 +50 subtract 20 from both sides

4x = 50 divide by 4

x =12.5

4 0
2 years ago
What 2 whole numbers is the square root of 75 between?
Nataliya [291]

Answer:

8 and 9

Step-by-step explanation:

7 0
3 years ago
Solve for x trignometry
BigorU [14]

9514 1404 393

Answer:

  23.44

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you of the relation ...

  Tan = Opposite/Adjacent

  tan(38°) = x/30

  x = 30·tan(38°) ≈ 23.4386

  x ≈ 23.44

3 0
3 years ago
Other questions:
  • HELP QUICK PLZZZ HURRY!!!! ILL GIVE YOU 15 POINTS
    14·2 answers
  • 3 kilograms are greater than 6 pounds? True or False
    12·2 answers
  • How can I use models to add fractions?
    12·1 answer
  • An 8.5 centimeter green bean pod contains peas that average 0.45 centimeter in diameter. How many peas are in the pod?
    12·2 answers
  • fred and freda share some prize money in the ratio 7:3. the prize money totaled $3000 how much does fred receive?
    6·1 answer
  • What is the slope of the line that passes through the points (−4,−2) and (−4,−22)? Write your answer in simplest form.
    5·2 answers
  • Tỷ lệ người dân nghiện thuốc lá ở một vùng là 30%. Biết rằng tỷ lệngười bị viêm họng trong số những người nghiện thuốc lá là 60%
    10·1 answer
  • A piston is seated at the top of a cylindrical chamber with radius 3 cm when it starts moving into the chamber at a constant spe
    5·1 answer
  • It's really important, please help
    8·2 answers
  • Find the slope of the line that passes through (6, 68) and (54,-7)​
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!