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Anna007 [38]
3 years ago
5

14. 7 points and brainliest answer if you get it right

Mathematics
1 answer:
prohojiy [21]3 years ago
6 0

https://www.udemy.com/penetration-testing/?matchtype=bb&utm_medium=udemyads&utm_term=_._pl_%7Bplacement%7D_._pd_%7BProductId%7D_._ti_kwd-76072612376891:loc-190_._kw_ethical%20hacking%20online%20course_._&utm_campaign=NEW-BG-PROS-TECH-IT-EthicalHacking-Broad-_._ci_437490_._sl_ENG_._vi_TECH_._sd__._la_EN_._&utm_content=_._ag_course_._ad_76072531839563_._de_c&utm_source=bing&k_clickid=68f73d14-fba3-4c1d-9825-5c54082a7380_408_BING_NEW-BG-PROS-TECH-IT-EthicalHacking-Broad-_._ci_437490_._sl_ENG_._vi_TECH_._sd__._la_EN_.__Course_ethical%20hacking%20online%20course_bb_76072531839563_c

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PLEASE HELP
Usimov [2.4K]

Answer:

r\approx0.03\text{ or about $3\%$}

Step-by-step explanation:

The standard compound interest formula is given by:

\displaystyle A=P(1+\frac{r}{n})^{nt}

Where A is the amount afterwards, P is the principal, r is the rate, n is the times compounded per year, and t is the number of years.

Since we are compounding annually, n=1. Therefore:

\displaystyle  A = P (1+r)^{t}

Lester wants to invest $10,000. So, P=10,000.

He wants to earn $1000 interest. Therefore, our final amount should be 11000. So, A=11000.

And our timeframe is 3.3 years. So, t=3.3. Substituting these values, we get:

11000=10000(1+r)^{3.3}

Let’s solve for our rate r.

Divide both sides by 10000:

1.1=(1+r)^{3.3}

We can raise both sides to 1/3.3. So:

\displaystyle (1.1)^\frac{1}{3.3}=((1+r)^{3.3})^\frac{1}{3.3}

The right side will cancel:

\displaystyle r+1=(1.1)^\frac{1}{3.3}

So:

\displaystyle r=(1.1)^\frac{1}{3.3}-1

Use a calculator:

r\approx0.03

So, the annual rate of interest needs to be about 0.03 or 3% in order for Lester to earn his interest.

5 0
2 years ago
Question 3:
goldenfox [79]

Answer:

A

Step-by-step explanation:

x^2 + 7x+ 10. factors out to (x - 2)(x + 5)

5 0
3 years ago
The difference of 7 and a number n​
Effectus [21]

Answer:

7 - n

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Answer this please 20 points
8090 [49]

Do you know What topic this is ?


7 0
3 years ago
Which two properties of equality could Zoe use to finish solving for x
7nadin3 [17]
3x-4= - 10
add both side 4 so its a addition property 
3x=- 6
now divide both side 3 so it is a  <span>division property.
so x=-2</span>
4 0
3 years ago
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