MATHEMATICS HIGH SCHOOL

Emilee put 3000 in a 2 year cd paying 4% interest, compounded monthly. After 2 years, she withdrew all her money. What was the amount of the withdrawal?

Answers

Answer 1

Answer:

Answer:

3249.43

Step-by-step explanation:

The monthly compound interest can be determined from the following formula:

$A=P*(1+r/n)^(n*t)$

Where A is the final amount after interest, P is the intital amount invested, r is the interest rate, n is number of times interest is compounded per year, and t is the time in years.

We need to express rate as abn equivalent decimal number:

$4/100=0.04$

∴ $A=3000*(1+0.04/12)^(12*2)=3249.43$

Answer 2

Answer: 3,000×(1+0.04÷12)^(24)
=3,249.43

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What is the scale factor of ABC to DEF?

Answers

Answer:

c. 3

Step-by-step explanation:

what i did was divide all the numbers on DEF by the answers that you have

It’s C

I recently did this on a test

Which numbers should be multiplied to obtain 175^2 − 124^2?

Answers

Hi There! :)

Which numbers should be multiplied to obtain 175^2 − 124^2?

51 and 299

Answer:

it is A

Step-by-step explanation:

After 2 years, $560 simple interest was owed on a loan of $7,000. Find the annual interest rate.

Answers

Answer:

first u have to find the how many years,intrest then mutiply it first u have to multyply 560x7,00 then divide the years then simplyfy it

Step-by-step explanation:

brainly?

What is 80%of 40equals what

Answers

If you would like to solve 80% of 40, you can do this using the following steps:

80% of 40 = 80% * 40 = 80/100 * 40 = 32

The correct result would be 32.

hopefully this helps! (:

80% of 40 equal 32

What is :

(49^x)(7^x^2)=2401^2

Answers

$(49^x)(7 ^(x^2))=2401^2 \n \n( (7^2)^x)(7 ^(x^2))= (7^4) ^2 \n \n 7 ^(2x)\cdot 7^(x^2)=7^(8) \n \n 7 ^(2x+x^2) =7^(8) \n \n2x+x^2 =8$

$x^2-2x-8 = 0\n \n a=1, \ b=-2, \ c=-8 \n \n\Delta =b^2-4ac = (-2)^2 -4\cdot1\cdot (-8) = 4 +32 =36 \n \nx_(1)=(-b-√(\Delta) )/(2a)=(2-√(36))/(2 )=( 2-6)/(2)=(-4)/(2)=-2 \n \nx_(2)=(-b+√(\Delta) )/(2a)=(2+√(36))/(2 )=( 2+6)/(2)=(8)/(2)= 4 \n \nAnswer: \ x=-2 \ \ or \ \ x=4$

$(49^x)(7^(x^2))=2401^2\n \n7^(2x) \cdot7^(x^2)=(7^4)^2\n \n7^(2x+x^2)=7^8\ \ \ \Leftrightarrow\ \ \ 2x+x^2=8\ \ \ \Leftrightarrow\ \ \ x^2+2x-8=0\n \nx^2-2x+4x-8=0\ \ \ \Leftrightarrow\ \ \ x(x-2)+4(x-2)=0\n \n(x-2)(x+4)=0\ \ \ \Leftrightarrow\ \ \ ( x-2=0\ \ \ \vee\ \ \ x+4=0)\n.\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ x=2\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ x=-4$

Standard form -2.56 x 10 ^3

Answers

The Exponent tells you how to move the decimal to the right. So

-2.56 x 10^3 says move the decimal 3 places to the right:

-2560 is the original number ~ Which Im guessing is the standard form...

the answer is -2560, that is if multiplied

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