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sdas [7]
3 years ago
5

Gloria deposited $500 into a bank account that earned 7.5% simple interest each year. She earned $225 in interest before closing

the account. If no money was deposited into or withdrawn from the account, for how many years was the money in the account? Round your answer to the nearest whole year. Enter your answer in the box.
Mathematics
1 answer:
ValentinkaMS [17]3 years ago
5 0
Gloria deposited $500 for six years.
Hope that helps
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Carrie is finding the set of even numbers within the set of prime numbers. She starts by considering only positive numbers. Of t
MArishka [77]

Answer:

Option 3 is correct that is prime numbers.

Step-by-step explanation:

Even numbers are those which are divisible by 2

Prime numbers are the numbers which are divisible by 1 and the number itself

Since, we have to take only positive numbers

Carrie has taken out the set of  even number within the set of prime number

So, 2 is the only number inside this eset because 2 is even as well as prime

Hence,universal set will be prime numbers

Therefore, Option 3 is correct that is prime numbers.

3 0
3 years ago
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How do you add, subtract, divide, and multiply scientific notation expressions
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4 0
3 years ago
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9-12r>-99 and -2r-4<-12
Umnica [9.8K]
Hello there!

9 - 12r > -99
-12r > -108
r \leq 9 is your first inequality.

-2r - 4 < -12
-2r < -8
r \geq 4 is your second inequality.

I hope this helps!
3 0
3 years ago
For what values of the numbers a and b does the function below have maximum value f(1) = 4? (Round the answers to three decimal
Georgia [21]
F (x) = a x  e^{b x^{2} }
f ` (x) = a( e^{b x^{2} } +x e ^{b x^{2} } *2 b x )=a e ^{b x^{2} } (1+2b x^{2} )
f ( 1 ) = 4
f ` ( 1 ) = 0
4 = a e ^{b}  \\ a e ^{b} (1 + 2 b ) = 0 \\ 4 ( 1 + 2 b )= 0&#10;
b = -1/2
4=a e ^{-1/2} =  \frac{a}{ \sqrt{e} }  \\ a = 4 \sqrt{e}
Answer:  a = 4√e, b = -1/2

4 0
3 years ago
Marcela e Daniel foram fazer compras Marcela comprou caixas com 15 barras de chocolates e Daniel comprou 3 caixas com 20 barras
elena55 [62]
Marcela comprou 4 caixas
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3 years ago
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