Answer:
<u><em>The value of x is 2.6</em></u>
Step-by-step explanation:
<em>Use pythagorean theorem</em>
a^2+b^2=c^2
<em>Then substitute</em>
1^2+2.4^2=c^2
<em>Then evaluate</em>
1+5.76=c^2
<em>Add</em>
c^2=6.76
<em>Isolate c by finding the sqrt of 6.76</em>
c=2.6
Answer:
Option 4: y > 2x
x + 2y < -8
Step-by-step explanation:
Taking first equation:
y > 2x
Putting x = 0
y > 0
Putting y = 0
0 > x
So the blue line in drawn according to first equation.
Taking second equation:
x + 2y < -8
Putting x = 0
2y < -8
y < - 4
putting y = 0
x < -8
So the red line is drawn accordingly.
i hope it will help you!
Answer:
B
Step-by-step explanation:
Assume Charles charges $7*3=$21 if he babysits for 2,5 hours (that is 2 and a half hours).
That is we are not considering Charles babysitting exactly 1, 2, 3 or 4 hours, but also in between times.
then we can write the following piecewise function to describe the situation:
f is a function from (0, 4] to {$7, $14, $21, $28}