Answer:
First number: 71/7
Second number: 135/7
Third number: 270/7
Step-by-step explanation:
First number = x
Second number= 2x-1
Third number= 2(2x-1)
x+(2x-1)+2(2x-1)= 68
3x-1+4x-2=68
7x-3=68
7x=71
x=71/7
You can check by plugging in the x into the equation.
<h3>
Answer: 4745.96 dollars</h3>
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Explanation:
We have this given info
- P = 4000 = principal
- r = 0.057 = annual interest rate in decimal form
- t = 3 = number of years
Use this to plug into the formula below

You'll need your calculator, and the calculator needs the "e" button.
The "e" refers to the special constant 2.718... which is similar to pi = 3.14...
Answer:i need this answer
Step-by-step explanation:
Answer:
using cos=adjacent/hypotenuse
Step-by-step explanation:
in this case cos(60)=x/4√3
x=cos(60)*4√3
x=3.46
Answer:
there is one real solution
Step-by-step explanation:
use the quadratic formula. what is in the square root is called the discriminant.
since it came out to 0 there is one real solution