Mathematics, 28.12.2019 18:31 jadabecute3739

Which descriptions about simple interest and yearly compounded interest are true? check all that apply.
~only compound interest has an exponent in its formula.
~simple interest is earned on principal and interest.
~compound interest earns more money than simple interest at the same rate for the same amount of time.
~simple interest earns more money than compound interest at the same rate for the same amount of time.
~simple interest is only earned on the original principal investment.
~only compound interest earns the same interest amount every year.
~only simple interest uses time in its formula.
~compound interest is earned on principal and interest.

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Answer from: jordynmcgee123

The true statements are in bold :

1. Only compound interest has an exponent in its formula. TRUE

The formula for compound interest is : $A=P(1+\frac{r}{n})^{t}$

The formula for simple interest is : $SI=\frac{P*R*T}{100}$

We can see the exponential power in compound interest formula.

2. Simple interest is earned on principal and interest. FALSE (SI is earned only on principal.)

3. Compound interest earns more money than simple interest at the same rate for the same amount of time. TRUE (This is clear with the formula given above)

4. Simple interest earns more money than compound interest at the same rate for the same amount of time. FALSE

5. Simple interest is only earned on the original principal investment. TRUE

6. Only compound interest earns the same interest amount every year. FALSE

7. Simple interest uses time in its formula. FALSE (both the formulas use time)

8. Compound interest is earned on principal and interest. TRUE

Answer from: alyssacruz999

Step-by-step explanation:

ONLY THE "TRUE" OPTIONS ARE LISTED BELOW

1.)Only compound interest has an exponent in its formula(TRUE)

((P*(1+i)^n) - P),

where P is the principal, i is the annual interest rate, and

n is the number of periods which is the exponential

2.)Compound interest earns more money than simple interest at the same rate for the same amount of time.(TRUE)

This is true because compound interest encompass simple interest in it's formula

3.)Simple interest is only earned on the original principal investment. (TRUE)

4.)Compound interest is earned on principal and interest.( TRUE)

Answer from: Quest

the correct answer option is (2x-3)(2x+3).

step-by-step explanation:

we are given the following expression and we are to factorize it:

$4x^2-0x-9$

we are to find such factors that when multiplied they give a result of 36 (9 x 4 = 36) and when added they give a result of 0.

the two such factors of 36 are negative six and postive six.

factorizing the given expression to get:

$4x^2-0x-9$

$=4x^2-6x+6x-9\\\\=2x(2x-3)+3(2x-3)\\\\=(2x+3)(2x-3)\\\\=(2x-3)(2x+3)$

therefore, the correct factorization of $4x^2-0x-9$ is (2x-3)(2x+3).

Answer from: Quest

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Which descriptions about simple interest and yearly compounded interest are true? check all that ap...

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