Answer:
c. observational study
Step-by-step explanation:
<em>Researchers compare the rates of autism for children who did and did not receive the standard measles-mumps-rubella vaccine, to see if the vaccine might be responsible for autism in some children.</em>
This study design in the above scenario is observational study because the researcher are obviously observing whether the vaccine is affecting the children. Note that Observational study is like experiment which attempts to understand the cause and effect relationships on a subject.
Answer:
It affects the location of the shape and how the shape looks. It doesn't affect the area or perimeter though.
Step-by-step explanation:
Answer:
(s-20)(s+3)
Step-by-step explanation:
(s-5)(s-12) equals s²-17x+60 and is incorrect
Answer:
Hold on, our servers are swamped. Wait for your answer to fully load.
more ponits not fair
Step-by-step explanation:
jus beig ismapHold on, our servers are swamped. Wait for your answer to fully load.
Since both are equivalent to y, the equations must be equivalent.
x^2-x-3= -3x+5
x^2+2x-8=0
(x+4)(x-2)=0
x=-4, x=2
Plug the values of x in to either equation
y=-3(-4)+5
y= 12+5
y=17
y= -3(2)+5
y=-6+5
y=-1
Final answer: (-4,17) and (2,-1)
