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jarptica [38.1K]
3 years ago
8

Question 3

Mathematics
1 answer:
Vinil7 [7]3 years ago
3 0
16 x 3.14 = 50.24 as the circumference of a circle is , pi x d (diameter)
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That is a plant cell

Step-by-step explanation:

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What is 30+40= then after you find the answer times it by 1
Sedbober [7]

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70

Step-by-step explanation:

30+40=70 and anything times 1 is the same #

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A submarine starts at the surface of the Pacific Ocean and descends 60 feet every hour. What integer expresses the submarine's d
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-60*6 is what, -360 feet
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A student loan you took out is due in 3 years and requires repayment of $3,000. To pay off the loan, you set aside money in an a
damaskus [11]

Answer:

P = $2448.89

P ~= $2,449

He need to deposit $2,449

Step-by-step explanation:

Given:

Interest rate r= 7% = 0.07

Number of years n = 3 years

Future value that should be meet A = $3000

We need to calculate the initial investment (Principal P). Using the compound interest formula:

A = P(1+r)^n

P = A/(1+r)^n

Substituting the values of A, r, n, we have;

P = 3000/(1+0.07)^3

P = $2448.89

P ~= $2,449

7 0
4 years ago
34. The amount of money in an account with continuously compounded interest is given by the formula 1
kirill115 [55]

Answer:

Step-by-step explanation:

I have no idea what formula that is you're using but the one I teach in both algebra 2 and in precalculus for continuous compounding is

A(t)=Pe^{rt}

where A(t) is the amount after the compounding, P is the initial investment, ee is Euler's number, r is the interest rate in decimal form, and t is the time in years. If our money doubles, we just have to come up with a number which will be P and then double it to get A(t). It doesn't matter what number we pick to double, the answer will come out the same regardless. I started with 2 and then doubled it to 4 and filled in the rest of the info given with time as my unknown:

4=2e^{(.062)(t)}

Begin by dividing both sides by 2 to get

2=e^{.062t}

The only way we can get that t out of its current position is to take the natural log of both sides. Natural logs have a base of e, so

ln_e(e)=1 This is because they are inverses of one another. Taking the natural log of both sides:

ln2=.062t Now divide by .062 to get

t = 11.2 years

4 0
3 years ago
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