3 years ago

Estimate the following using general rule.

Mathematics

1 answer:

saw5 [17]3 years ago

8 0

Answer:

answers rounded to the nearest tens: 1730, 480, 4832720, and 130.

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cynthia invests some money in a bank which pays 5% compound interest per year. She wants it to be worth over £8000 at the end of

exis [7]

Answer:

The smallest amount is $\£6,911$

Step-by-step explanation:

we know that

The compound interest formula is equal to

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

where

A is the Final Investment Value

P is the Principal amount of money to be invested

r is the rate of interest in decimal

t is Number of Time Periods

n is the number of times interest is compounded per year

in this problem we have

$t=3\ years\\ A=\£8,000\\ r=5\%=5/100=0.05\\n=1$

substitute in the formula above

$8,000=P(1+\frac{0.05}{1})^{1*3}$

solve for P

$8,000=P(1.05)^{3}$

$P=8,000/(1.05)^{3}$

$P=\£6,910.70$

Round to the nearest pound she can invest

The smallest amount is $\£6,911$

6 0

3 years ago

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andrezito [222]

Answer:

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6 0

2 years ago

I need help with this question.

hammer [34]

Answer:

5c-5=45

Step-by-step explanation:

Since he didn't have the dessert you have to take away the five and the total was 45 which means something has to equal it.

6 0

2 years ago

Show your work <------<br> *PLEASE HELP I'LL GIVE BRAINLIEST YOU HAVE TO SHOW WORK THO*

aniked [119]

Answer:

N = 10

Step-by-step explanation:

4^10=4^n

after that just simplify

Hope this helps!

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3 years ago

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Ax+By=C <br> Can you guys solve this please and explain how you did it.

OleMash [197]

What variable are you solving for?

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3 years ago