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4 years ago

6

Rafeal counted a total of 40 white cars and yellow car. Therebwere 9 times as many white cars as yellow cars. How many white car

s did Rafeal count?

1 answer:

Lilit [14]4 years ago

5 0

360 that's the answer

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54 out of 90 people have a cat. What percent of people have a cat?

AveGali [126]

Answer:

60% of people have a cat.

Step-by-step explanation:

That would be 54/90 times 100%, or 60%

60% of people have a cat.

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3 years ago

If someone was born 49 months ago, in which year were they born?

Vladimir79 [104]

2014 is 49 months ago

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4 years ago

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dedylja [7]

Answer: D

Step-by-step explanation:

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3 years ago

Read 2 more answers

If an initial amount A0 of money is invested at an interest rate i compounded times a year, the value of the investment after t

seropon [69]

Answer:

Following are the solution to the given point:

Step-by-step explanation:

Please find the comp[lete question in the attached file.

Given:

$\bold{ \lim_{n \to \ \infty} (1+ \frac{r}{n})^{nt} =e^{rt}}$

In point 1:

$\to y = (1+ \frac{r}{n})^{nt}$

In point 2:

$\to \ln (y)= nt \ln(1+ \frac{r}{n})$

In point 3:

Its key thing to understand, which would be that you consider the limit n to $\infty$ , in which r and t were constants!

$=lim_{n \to \ \infty} \ln (y) = lim_{n \to \ \infty} nt \ln(1+\frac{r}{n})\\\\= lim_{n \to \ \infty} \frac{\ln(1+\frac{r}{n})}{\frac{1}{nt}}\\\\= lim_{n \to \ \infty} \frac{\frac{-r}{\frac{n^2}{(1+\frac{r}{n})}}}{- \frac{1}{n^2t}}\\\\= lim_{n \to \ \infty} \frac{\frac{rn^2t}{n^2}}{(1+\frac{r}{n})}\\\\= lim_{n \to \ \infty} \frac{rt}{(1+\frac{r}{n})}\\\\= \frac{rt}{(1+\frac{r}{0})}\\\\=rt$

In point 4:

$\to \lim_{n \to \ \infty} = (1+\frac{r}{n})^{nt}$ and

$\to \lim_{n \to \ \infty} = A_0e^{rt}$

7 0

3 years ago

How do I evaluate 2x to the 4 power + 2x to the 3 power when x = 7

lutik1710 [3]

First, you want to multiply 2 times 7 which is 14 then do 14 to the 4th power which is 38,416, then add that by 14 to the third power which is 2,744, so then you will get 41,160 which is your answer.

8 0

3 years ago