Answer:
10
Step-by-step explanation:
40=2a<u>-3</u>+2a+3a<u>+1</u>
add like terms
get 'a' by its self
- 40(+2)=7a<u>-2(+2)</u> [2 cancels out]
- 42(÷7)=7a(÷7) [7 cancels out]
- a=6
plug in the answer for Equations
- biggest: 3(6)+1= 18+1= 19
- smallest: 2(6)-3= 12-3=9
subtract smallest from biggest
Answer: 21.13 miles
Explanation: The question asks “drive in all”. They gave you the miles driven, which is 8.7 and 12.43. If you add them together, you will get 21.13 miles.
1.428571429 because you do 50 ÷ 35 and that's your answer hope it helped :)
Answer:
sorry i only know the answer of c
it's 8.2 gallons
Step-by-step explanation:
12 gallons = 420 miles
12 gallons = 420 miles? gallons =287 miles
420 miles ÷ 12 gallons = 35miles/gallon
420 miles ÷ 12 gallons = 35miles/gallon287 miles ÷ 35 miles/gallon = 8.2 gallons
The circumcenter is the center of the circle which goes through the triangle's vertices, so the circumcenter of the triangle and the center of that circumscribed circle MUST be the same point.
The same goes for the incenter and the center of the inscribed circle, though these will not, in general, be the same point as the circumcenter.