Answer:
5.338401847392900e1395%377846Q9
Step-by-step explanation:
T=650mi(hr/50mi)=13 hr
t-1=12 hr
12=650/(50+v) multiply both sides by 50+v
600+12v=650 subtract 600 from both sides
12v=50 divide both sides by 12
v=25/6 mph
v≈4.17mph
Answer:

Step-by-step explanation:

First, multiply both sides by -4. You must also change the inequality sign since you are multiplying both sides by a negative number.


Subtract 1 from both sides.


Answer:
4k^3 + k^2 - 2k + 7
Step-by-step explanation:
Hope this helps, and good luck
Answer:
40
Step-by-step explanation:
10 x 8 equals the area for a square/rectangle then multiplied by .5 equals area for a triangle. You multiply because triangles are half of a square.
Can you give brainliest to all of your questions bc it really hard to get brainliest and it be really nice you can choose who i dont really care but just please do it it helps a lot