Answer:
Step-by-step explanation: Find the number between 40 and -10.
start at 40 and end at -10.
-40=0
0-10=-10
the tempature changed by 50 degrees.
Answer:
Usually people don't give step by step explanations but you could explain how you solved it for example
x=5
Step-by-step explanation:
and then show how you solved the equation "2x=10"
Answer:
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priscillacastillo2
02/10/2019
Mathematics
Middle School
answered
The sum of two numbers is 14 one number is two less than three times the other. find the numbers
1
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Answer:
The numbers are and
Step-by-step explanation:
Let
x-----> one number
y----> the other number
we know that
------> equation A
-----> equation B
Substitute equation B in equation A and solve for y
Find the value of x
She asked her friends, which does not represent a random sample.
She tried to show cause and effect without doing an experiment (which includes simple random sample, control group, treatment, etc).
So the answer is she did not use a random sample, and tried to show cause and effect with an observational study.