Answer:
x = 6
Step-by-step explanation:
Step 1: Write equation
4(x - 1) - 3x = 2
Step 2: Solve for <em>x</em>
- Distribute 4: 4x - 4 - 3x = 2
- Combine like terms: x - 4 = 2
- Add 4 to both sides: x = 6
Step 3: Check
<em>Plug in x to verify it's a solution.</em>
4(6 - 1) - 3(6) = 2
4(5) - 18 = 2
20 - 18 = 2
2 = 2
Answer:
9.23 hours to recover the money spent.
Step-by-step explanation:
50+80=130
130x 9=1170
130x9.23=1200
It took me awhile, but using the Rational Root Theorem and then synthetic division I got the first root. If you don't know the RRT you'll be in heaps of trouble doing this type of problem. I found the first root to be (x+6), then I did it again and got another root of (x+6) and the third one was (x-5). So the roots of this polynomial (and there are 3 because this is a 3rd degree polynomial) are (x+6) with a multiplicity of 2, and (x-5).
10^7 is the correct answer
Answer:
Refer to the following information on full-term births in the United States over a given period of time.
Type of Birth Number of Births
Single birth 47,200,000
Twins 600,000
Triplets 3000
Quadruplets 200
Use this information to estimate the probabilities of the following events.
(a) A randomly selected pregnant woman who reaches full term delivers twins. (Give the answer to three significant figures.)
(b) A randomly selected pregnant woman who reaches full term delivers quadruplets. (Give the answer to three significant figures.)
(c) A randomly selected pregnant woman who reaches full term gives birth to more than a single child. (Give the answer to three significant figures
