Each notepad costs $5 therefore she bought 2 because 5+2=10.
Answer:
-6 ≤x
Step-by-step explanation:
3x-2≤5(x+2)
Distribute
3x-2≤5x+10
Subtract 3x
3x-2-3x≤5x +10-3x
-2 ≤2x+10
Subtract 10 from each side
-2-10 ≤2x+10-10
-12 ≤2x
Divide by 2
-12/2≤2x/2
-6 ≤x
<span>The correct answer is (a) total deviation equals unexplained deviation plus explained deviation.
These deviations are commonly encountered or studied in statistics, and sometimes in regression analysis.</span>
Answer: She has 27 quarters.
Step-by-step explanation:
Let be "d" the number of dimes Marcy has and "q" the number of quarters Marcy has.
Based on the information provided in the exercise, we can set up the following system of equations:
<em> </em>In order to solve the system of equations, we can use the Elimination method:
- Multiply the first equation by -0.1
- Add the equations.
- Solve for "q".
Then:
Answer:
it is 4.8 .................