Answer:
B
Step-by-step explanation:
f^-1(x)=3x/7-9/7
3 times (2) gives 3x +9y = -21 (3)
<span>(3) - (1) gives 13y = -39 </span>
<span>y = -3 </span>
<span>Sub. y=-3 into (2) </span>
<span>x + -9 = -7 </span>
<span>x = 2
</span>
<span>Answer = (2,-3) </span>
This works when it is not close to noon
put the yardstick next to the pole
measure the shadow of the pole, call it x
measure the letngh of the shadow of the yardstick
measure the height of the yardstick
the ratio of the height of the yardstick to the shadow of the yardstick should be close to the ratio of the height of the pole to the legnth of the shadow of the pole
Answer:
i am converting to meters
Step-by-step explanation:
5 yd =4.572 meters
3yd=2.7432 meters
4.8yd=2.7432 meters
28yd=25.6032 meters
8yd=7.3152 meters