Answer:
122.4
Step-by-step explanation:
Remember PEMDAS
Parentheses
Exponents
Multiply
Divide
Add
Subtract
(52-15+2)=39
39x3=117
117+5.4=122.4
Answer:
y= -1
Explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
Answer:
50%
Step-by-step explanation:
3 of them walk into a store, giving her a 33.333% chance of winning. By eliminating one, Tina may as well have never walked into the store, leaving Jen with a 50% chance.
If y varies directly with x, means that they can be modeled by a linear equation, lets choose a line with 0 y intercept, that is:
y = mx + b
y = mx
where m is the slope of the line, now we plug in the data we have:
y = mx
20/3 = m(30)
solving for m:
m = (20/3)(1/30)
m = 20/90
m = 2/9
so the line equation, or function modeling the y and x relationship is:
y = (2/9)x
7 and 8 because 52 is between 49 and 64
