$\bf ~~~~~~ \textit{Compound Interest Earned Amount} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill &\$2500\\ r=rate\to 4\%\to \frac{4}{100}\dotfill &0.04\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{quarterly, thus four} \end{array}\dotfill &4\\ t=years\dotfill &4 \end{cases} \\\\\\ A=2500\left(1+\frac{0.04}{4}\right)^{4\cdot 4}\implies A=2500(1.01)^{16}\implies A\approx 2931.4466123$

3 0

4 years ago

Which is the most reasonable estimate for 30% of 72?<br> a. 7<br> b. 14<br> c. 21<br> d. 28

marta [7]

Answer:

Step-by-step explanation:

72 × 30/100 = 21.6

So the nearest answer is 21 (B)

3 0

4 years ago

What is the equation of the line through (4,5) and (0,-3)

Irina-Kira [14]

Answer:

y = 2x - 3

Step-by-step explanation:

First point coordinates

x₁

y₁

Second point coordinates

x₂

y₂

-3

Result

Slope (m)

m = -8 / -4 = -2 / -1 = 2

Your function

The entered points belong to an increasing, linear function.

Equation: y = 2x - 3.

Hope i helped :)

8 0

3 years ago