Some plsssss helppp!!!!

Mathematics

2 answers:

Vitek1552 [10]2 years ago

4 0

Answer:

Step-by-step explanation:

add the z's and make both sides of the equation equal

Leviafan [203]2 years ago

3 0

Answer:

z > -9

Step-by-step explanation:

Solve 18 - 5z + 6z > 3 + 6 like a regular inequality.

Start by combining like terms.

18 + z > 9 now subtract 18 on both sides

z > -9

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64 is 4 times the difference between Sarah's age, a, and 44. Assume Sarah is older than 44.

nlexa [21]

Answer:

Sarah is 60 years old

Step-by-step explanation:

64 divided by 4 is 16. Add 16 to 44 to get Sarah's age, 60

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2 years ago

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If the money and interest are left in the bank how much is the total accumulated savings at the end of the second year for a sav

Mekhanik [1.2K]

$\qquad \textit{Compound Interest Earned Amount}\\
A=P\left(1+\frac{r}{n}\right)^{nt}
\qquad 
\begin{cases}
A=\textit{current amount}\\
P=\textit{original amount deposited}\to &\$3,500\\
r=rate\to 8\%\to \frac{8}{100}\to &0.08\\
n=\textit{times it compounds per year}\to &1\\
t=years\to &2
\end{cases}
\\ \quad \\
A=3500\left(1+\frac{0.08}{1}\right)^{1\cdot 2}\implies 3500(1.08^2)$