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3 years ago

Haley bought 6 postcards during 2 days of vacation. How many days will Haley have to spend

Mathematics

1 answer:

mote1985 [20]3 years ago

4 0

Answer:

She will have spent 4 days on vacation.

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$20000 is invested in an account that earned 6% p.A. Compounding yearly for 3 years. The interest rate then went up to 8% p.A. F

GuDViN [60]

$\bf ~~~~~~ \textit{Compound Interest Earned Amount \underline{for the first 3 years}} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill &\$20000\\ r=rate\to 6\%\to \frac{6}{100}\dotfill &0.06\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{per annum, thus once} \end{array}\dotfill &1\\ t=years\dotfill &3 \end{cases}$

$\bf A=20000\left(1+\frac{0.06}{1}\right)^{1\cdot 3}\implies A=20000(1.06)^3\implies \boxed{A=2382.032} \\\\[-0.35em] ~\dotfill\\\\ ~~~~~~ \textit{Compound Interest Earned Amount \underline{for the next 4 years}}$

$\bf A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill &\$2382.032\\ r=rate\to 8\%\to \frac{8}{100}\dotfill &0.08\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{per annum, thus once} \end{array}\dotfill &1\\ t=years\dotfill &4 \end{cases}$

$\bf A=2382.032\left(1+\frac{0.08}{1}\right)^{1\cdot 4}\implies A=2382.032(1.08)^4\implies \boxed{A\approx 3240.73} \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{amount for this period}}{2382.032+3240.73}\implies 5622.762$

4 0

4 years ago

01:58:53

lord [1]

Answer:

see the explanation

Step-by-step explanation:

we know that

point B(-6, 1) is translated to B'(-3,-2)

step 1

The rule of the translation is

(x,y) -------> (x+a,y+b)

substitute

B(-6,1) -------> B'(-3,-2)

step 2

Write the equations

-6+a=-3

-2=1+b

step 3

Solve each equation

-6+a=-3 ------> a=-3+6 -----> a=3

-2=1+b ------> b=-2-1 ------> b=-3

step 4

Write the rule of translation

(x,y) -------> (x+3,y-3)

That means ------> The translation is 3 units at right and 3 units down

4 0

4 years ago

Read 2 more answers

How do i solve this help

yKpoI14uk [10]

Answer is : A .. Hope it helped

6 0

3 years ago

Help pls I need you to match what goes where Right answer gets brainliest.

valentinak56 [21]

Answer:

gucci

Step-by-step explanation:

gang

7 0

3 years ago

Solve the inequality 56 ≥ 4y A. y ≤ 14 B. y ≥ 16 C. y ≤ 224 D. y ≥ 224

slavikrds [6]

The answer is A. y ≤ 14 since you divide 56 by 4 and when you divide the sign flips.

5 0

3 years ago