Answer:
x=5 x=3
Step-by-step explanation:
f(x) = x^2 - 8x+ 15
Factor
What two numbers multiply to 15 and add to -8
-5*-3 = 15
-5+-3 = -8
f(x) = (x-5) (x-3)
Setting equal to 0
0= (x-5) (x-3)
Using the zero product property
x-5 =0 x-3=0
x=5 x=3
If he worked 5 hours and his rate is $14/hr, then he earned a total of $70.
He mailed 300 postcard, so each postcard mailed is $0.2333..
BTW, i actually think the question is incomplete, so this may actually be a wrong answer.
Let's solve for r.<span><span><span>x2</span>+<span>y2</span></span>=<span>16<span>r2</span></span></span>Step 1: Flip the equation.<span><span>16<span>r2</span></span>=<span><span>x2</span>+<span>y2</span></span></span>Step 2: Divide both sides by 16.<span><span><span>16<span>r2</span></span>16</span>=<span><span><span>x2</span>+<span>y2</span></span>16</span></span><span><span>r2</span>=<span><span><span>116</span><span>x2</span></span>+<span><span>116</span><span>y2</span></span></span></span>Step 3: Take square root.<span><span>r=<span><span><span><span><span>116</span><span>x2</span></span>+<span><span>116</span><span>y2</span></span></span> or </span>r</span></span>=<span>−<span><span><span>116</span><span>x2</span></span>+<span><span>116</span><span>y2</span></span></span></span></span>Answer:<span><span>r=<span><span><span><span><span>116</span><span>x2</span></span>+<span><span>116</span><span>y2</span></span></span> or </span>r</span></span>=<span>−<span><span><span>116</span><span>x2</span></span>+<span><span>116</span><span>y2</span></span></span></span></span>
So, what is given is the time, and the distance. the distance is equal to the time multiplied by the minute.
time =t, and distance =d.
how to get from t to d is
T divided by 2 multiplied by three equals to D, or T/2 x 3=d.
