Answer:
16(x-2)(x+2)
Step-by-step explanation:
Each girl started with 15 dollars.
4$ is the ending amount
x= the amount of money each girl received
4= 2x - 2(13)
Since there were two girls who both received x amount of money, x is multiplied by two. Since both the girls spent 13 dolars on lunch, their original amount is subtracted by 13 times two, since there are two lunches being bought. The end amount of money is four.
to solve:
4= 2x - 2(13)
4= 2x - 26 Simplify by combining like terms
30= 2x Isolate the variable by adding 26 to both sides
15=x Continue to isolate the variable by dividing both sides by two
Each girl started with 15 dolars. Each girl spent thirteen dolars on lunch and had two dolars left over. Each girls' two dolars left over adds up to four dollars.
Answer:
y is 90
Step-by-step explanation:
The y/x is proportional per point (x,y) since this is a direct variation.
That is ,
.
Cross multiply:
Simplify:
Divide both sides by -3
Answer:
9 number is composite is answer
Step-by-step explanation:
1,3,9 can be exactly divided by
I hope this is helpful!
Answer:
Step-by-step explanation:
<u><em>The value of r is the question is</em></u>
r=0.03
we know that
The formula to calculate continuously compounded interest is equal to
where
A is the Final Investment Value
P is the Principal amount of money to be invested
r is the rate of interest in decimal
t is Number of Time Periods
e is the mathematical constant number
we have
substitute in the formula above
solve for t
Apply ln both sides
![ln(3)=ln[(e)^{0.03t}]](https://tex.z-dn.net/?f=ln%283%29%3Dln%5B%28e%29%5E%7B0.03t%7D%5D)
Apply property of logarithms
![ln(3)=(0.03t)ln[(e)]](https://tex.z-dn.net/?f=ln%283%29%3D%280.03t%29ln%5B%28e%29%5D)
Remember that
