Consider the equation that models the amount earned due to interest of an investment where n
Р
. A is the amount of money in the account in dollars,
• Pis the starting investment in dollars,
. r is the rate of interest earned,
.t is the time in years,
.n is the number of times the interest is compounded per year.
A
A=P(144)
3
Enter an equation for which the solution is the rate of interest given the amount in the account is $2500, the
starting investment is $1000, over a time of 7 years, with interest compounding 4 times per year.
6

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step-by-step explanation:

7.9m and 4.3°

step-by-step explanation:

let east be +x and north be +y, x = distance * cos θ, y = distance * sin θ  

for 3.5 south, y = -3.5  

for 8.2, x = 8.2 * cos 30 and y = 8.2 * sin 30  

for 15 west, x = -15  

total x = 8.2 * cos 30 – 15 ≈ -7.9  

total y = -3.5 + 8.2 * sin 30 = 0.6  

magnitude = [(8.2 * cos 30 – 15)^2 + 0.6^2)]^0.5  

the magnitude is approximately 7.9 m  

tan θ = y/x = 0.6/-7.9  

the angle is approximately 4.3˚ north of west

2x=70  

x=70/2

x=35

thats the answer

step-by-step explanation: