If ya distribute it it comes together as 24 + 8x soo i hope this helped
You're answer is the third one, you gotta divide the money by the hours worked and then compare.
Answer:
sin p -21/29
cos q 21/29 so here you go °~sohcahtoa~°
Step-by-step explanation:
sin means you find the soh part so you look for the oppisite over hyponuse
and for cos your looking for cah part so you find the adjsent over hypotnuse so the ansers is 21/29
7.5 km/h
Step-by-step explanation:
Let's assign the speed of Jerry in still air as <em>x </em> (in km/h)
Let's assign the speed of the wind as <em>y </em>(in km/h)
With the wind as Jerry’s back, he takes 10 minutes to get to the library. We can create the following equation. (<em>we are converting the minutes to hours by dividing by 60</em>);
2.5 / (x + y) = 10/60
10x + 10y = 150
x + y = 15
With the wind against Jerry, he takes 15 minutes from the library. We can create the following equation;
2.5 / (x-y) = 15/60
15x – 15y = 150
x – y = 10
We can now solve the simultaneous equation by subtraction;
x + y = 15
x – y = 10
2y = 5
y = 5/2 = 2.5
y = 2.5 km/h
x = 7.5 km/h
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The answer is C i think though
