3 years ago

You invest 3000 in an account that pays simple interest of 7% for 30 years

Mathematics

1 answer:

Colt1911 [192]3 years ago

6 0

Answer: the amount of interest is $630.00

Step-by-step explanation:

www . webmath . com i used this website to calculate the interest. it was really helpful for me and i hope it helps you! ( had to put it like that so i could submit.

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STatiana [176]

Answer:

74 degrees

Step-by-step explanation:

A triangles angle equals 180. So 180 minus 59 minus 47 is 74

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3 years ago

Radium-226 has a half-life of 1620 years. for a 150 gram sample, how many grams will remain after 200 years?

VashaNatasha [74]

Ah, yes

if you start with P amount of something and the half life is h units (in years) and the time elapsed is t (in years) then the amount left is A

the equation is
$A=P(\frac{1}{2})^\frac{t}{h}$

so
given
h=1620
P=150
t=200
so
$A=150(\frac{1}{2})^\frac{200}{1620}$
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use your calculator
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3 years ago

The original price of the oreo cookies was $3.00, but Tisha had a coupon for $0.75 off. What was the percent of the discount Tis

Softa [21]

Answer

Price she bought it is 3 - 0.75 = 2.25

Percent dicount = (0.75/3) * 100 = 25%

Step-by-step explanation:

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3 years ago

Read 2 more answers

One cold night the temperature was 0 degrees at 8 p.m. The temperature dropped at a constant rate from 8 p.m. to midnight. At mi

Diano4ka-milaya [45]

Let y be the temperature
Let m be the rate of temperature drop in degrees per hour
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y = mx
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3 years ago

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Gnoma [55]

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