Answer:
dude you have complicated questions
Step-by-step explanation:
1) =<span><span>3x</span>+<span>2
2) </span></span>=<span><span>−x</span>−<span>3
3) </span></span>=<span><span>7x</span>+<span>45
4) </span></span>=<span><span>14x</span>−<span>1
Should I show work also?</span></span>
Answer:
77
Step-by-step explanation:
Answer:
$560
Step-by-step explanation:
10% of $400 is $40. 40% of $400 is 10%x4. 40% of $400 is $160. Since her allowance increased by $160, it is now $560 per week.
Using a proportional relationship, it is found that the two equations that have the same constant of proportionality are givn by:
с 1 and 3
<h3>What is a proportional relationship?</h3>
A proportional relationship is a function in which the output variable is given by the input variable multiplied by a constant of proportionality, that is:
y = kx
In which k is the constant of proportionality.
In this problem, the functions and constants are given as follows:
- 3. 8y = 6x -> k = 6/8 = 3/4.
Equations 1 and 3 have the same constants, hence option c is correct.
More can be learned about proportional relationships at brainly.com/question/10424180
