2 would be the answer. Replace the x with the three and multiply that with the 2 and then subtract 4.
Answer:
Step-by-step explanation:
Andrew made a mistake at last step.
<u>It should be:</u>
- -11.8 + 9.8 = 9.8 - 11.8 = -2 but not -21.6
4^x+3 (the x + 3 is included in the power). That's just another way that you could write that.
Answer:
59.4 km
Step-by-step explanation:
First you need to find the circumference of the circle. 20*3.14=62.8. Then, you divide this by two, because there is only half of a circle, to get 31.4.
Then you can just add 16 + 12 + 31.4 to get 59.4.
Answer:
6 bucks
Step-by-step explanation:
210/35 = 6
210 dollars/ 35 hours = 6 dollars er hour
