September 29, 2016 is today's date.
Answer: David conducted (an observational study) because (it studies human behavior) and (the sample is not manuipulated).
Step-by-step explanation:
hope this helps! (:
Answer:
D. 2 1/6
Step-by-step explanation:
To visualize the problem easier, start by converting all the fractions to improper fractions, this will allow you to just add the denominators and simplify the question:
1/6, 5/6, 1 3/6 —> 1/6, 5/6, 9/6
Now that the sequence is rewritten, you can simply add 4 to the numerator, which equals 13/6.
Rewrite this again by finding how many times 6 goes into 13, and use the remainder as the numerator of the new fraction, which will end up as 2 1/6.
Answer:
150
Step-by-step explanation:
255 - 99 = ?
255 can become 250
99 can become 100
250 - 100 = 150
To check, 255-99 = 156 so our answer seems to be correct and a close estimate! ✔
Have a nice day! - <em>if this is not what you need, let me know. Different classes ask you to estimate differently.</em>
I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)
- Heather
Answer:
(1,3)
y= 3
x= 1
Step-by-step explanation:
7x+y=10
3x-2y= -3
solve the equation
y=10-7x
3x-2y= -3
substitute the value of y into an equation
3x-2(10-7x)= -3
distribute
3x-20-14x= -3
add 14x from both sides
17x-20= -3
add 20 from both sides
17x=17
divide both sides by 17
x=1
substitute the value of x into an equation
y=10-7•1
multiply 7 to 1
y=10-7
subtract
y=3
(1,3)
