For the answer to the question above, <span>f x is the number of days she works, she'll earn $90x </span>
<span>After buying the laptop, she'll have $90x - $700 left over, which will pay for ($90x - $700) / $150 days of travel. So we have y = ($90x - $700) / $150 = (9x - 70) / 15 = 0.6x - (14/3) </span>
<span>Note that y can't be negative. Also, if y = 0, then Emma doesn't get to travel at all, so we should avoid that. So we have: </span>
<span>0.6x - (14/3) > 0 </span>
<span>0.6x > 14/3 </span>
<span>x > (14/3) / 0.6 </span>
<span>x > 70/9 </span>
<span>The question says that x can be up to 40, so the domain is 70/9 < x <= 40 </span>
<span>That's approximately 7.777... < x <= 40 </span>
<span>Multiply those numbers by 0.6 and then subtract 700 to get the range: </span>
<span>0 < y <= 58/3 </span>
<span>That's approximately 0 < y <= 19.333</span>
Answer:
I think 3 Square Units
Step-by-step explanation: Because I counted how much square units high it was.
I am not sure though.
Answer:
p=17.43
Step-by-step explanation:
To solve this I just subtracted
p=41.13-23.7
which is
p=17.43
Add them together and divide it by 2 since there are two numbers
125.75+(-10.25)=115.5
115.5/2= 57.75
the mean is 57.75
5x + 2 + 6x - 10 + x + 20 = 180
simplify
5x + 6x + x + 2 + 20 - 10 = 180
12x + 12 = 180
subtract 12 from both sides
12x + 12 (-12) = 180 (-12)
12x = 168
divide 12 from both sides (to isolate the x)
12x/12 = 168/12
x = 168/12
x = 14
x = 14 is your answer
hope this helps
