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
Karolina [17]
4 years ago
13

In an experimental study, a lab wanted to divide volunteers into two

Mathematics
1 answer:
fredd [130]4 years ago
3 0

Step-by-step explanation:

Assigning the participants based on who shows up first would introduce bias.  Those who arrive first may be more likely to already be punctual.  Giving or not giving them the app may make it seem ineffective when it isn't.

You might be interested in
21x + 862=? x= 4 I know how to do it but im too lazy to do it
LuckyWell [14K]

946

Hope this helps o(*^▽^*)┛

3 0
3 years ago
Question Help<br><br> first answer gets brainliest
eimsori [14]
88%, 44/50 is just 88/100. So 88% out of 100 of the coins are quarters.
8 0
2 years ago
What do a kite and a rhombus have in common? Each polygon has two pairs of parallel sides. Each polygon has four congruent sides
Dominik [7]

Answer:

D.  Each polygon has two pairs of congruent sides that are adjacent.

8 0
3 years ago
Read 2 more answers
15% of 15 is what number?<br><br> A. 2.25<br><br> B. 2.75<br><br> C. 1.5<br><br> D. 3.125
Dahasolnce [82]

Answer:

the answer is option A

Step-by-step explanation:

if 15 is 100

    x is 15%

x= (15 * 15)/100 = 2.25

4 0
3 years ago
Which expression is equivalent to 19x − 6x + 2 and why?
Mila [183]
2 + 13x, because (19x − 6x) + 2 = 13x + 2 = 2 + 13x
8 0
3 years ago
Read 2 more answers
Other questions:
  • Perpendicular line to y=1/2x+3
    6·1 answer
  • Sports a pennant for the sports teams at lincoln high school is in the shape of an isosceles triangle. if the measure of the ver
    11·1 answer
  • 38=2a+54 solve equation check your answer
    9·1 answer
  • Someone pleaseee heelp me with this!!!! WILL GIVE BRAINLISEST IF CORRECT!!!!!!!!!!
    6·1 answer
  • Ivy has borrowed 150 songs from her friend. She plans to download an equal number of songs on her music player each week for 5 w
    5·1 answer
  • Solve-<br> 10x + 9 = 4x - 9
    13·2 answers
  • Mira made 2 gallons of orange juice. She said she made 2/4 quarts of orange juice. Explain Mira’s mistake
    13·1 answer
  • For these problems,
    5·1 answer
  • How do I solve X+5=54
    12·2 answers
  • PLEASE HELP ME ASAP!!!! <br><br><br> FILL IN ALL THE BLANKS PLEASE!!!!
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!