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2 years ago

5

. If the dealer gives Valerie 87.5% of the trade-in price on her car, listed below, approximately how much will Valerie pay in t

otal for her new car?
answer is B

1 answer:

Evgesh-ka [11]2 years ago

4 0

Round all dollar values to the nearest cent, and consider the trade-in to be a reduction in the amount paid

b.

$38,821

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Part of the population of 5,750 elk at a wildlife preserve is infected with a parasite. A random sample of 50 elk shows that 2 o

Marta_Voda [28]

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230

Step-by-step explanation:

$\frac{2}{50}$ = $\frac{x}{5750}$

cross multiply->11500=50x

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3 years ago

There is a spinner with 14 equal areas, numbered 1 through 14. If the spinner is spun one time, what is the probability that the

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2 years ago

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HELP I NEED HELP ASAP

eimsori [14]

Answer:

I think its D

Step-by-step explanation:

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2 years ago

Mohamed decided to track the number of leaves on the tree in his backyard each year The first year there were 500 leaves Each ye

svetlana [45]

Answer:

The required recursive formula is

$f(n)= 500\times(1.4)^{n-1}\\$

Step-by-step explanation:

Mohamed decided to track the number of leaves on the tree in his backyard each year.

The first year there were 500 leaves

$Year \: 1 = 500$

Each year thereafter the number of leaves was 40% more than the year before so that means

$Year \: 2 = 500(1+0.40) = 500\times 1.4\\$

For the third year the number of leaves increase 40% than the year before so that means

$Year \: 3 = 500\times 1.4(1+0.40) = 500 \times 1.4^{2}\\$

Similarly for fourth year,

$Year \: 4 = 500\times 1.4^{2}(1+0.40) = 500\times 1.4^{3}\\$

So we can clearly see the pattern here

Let f(n) be the number of leaves on the tree in Mohameds back yard in the nth year since he started tracking it then general recursive formula is

$f(n)= 500\times(1.4)^{n-1}\\$

This is the required recursive formula to find the number of leaves for the nth year.

Bonus:

Lets find out the number of leaves in the 10th year,

$f(10)= 500\times(1.4)^{10-1}\\\\f(10)= 500\times(1.4)^{9}\\\\f(10)= 500\times20.66\\\\f(10)= 10330$

So there will be 10330 leaves in the 10th year.

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2 years ago

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Please help if you want brianleist (no links please!) Ty!

nikitadnepr [17]

Answer:

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