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kozerog [31]
3 years ago
15

The annual interest rate of marcellas savings account is 7.2% and simple interest is calculated semianually,. What is the period

ic interest rate of her account
Mathematics
2 answers:
Marina86 [1]3 years ago
8 0
Is that all the information provided or is there more information so that i can help you answer the question 
arsen [322]3 years ago
4 0

Answer:

3.6%

Step-by-step explanation:

(Apex) good luck :)

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F(x)=4x4−5x3−2x+6 and g(x)=3x3−4x2−2x+1 . What is f(x)+g(x) ?
igomit [66]
4*4-5*3-2x+6=  -x-7/2  slope = 2

3 * 3 - 4 *2 -2x +1=  - x - 2/2 slope = -2

2 + -2 = 0
6 0
3 years ago
PLEASE HELP (30 POINTS) Solve the rational equation x/3 = x^2/x + 5 , and check for extraneous solutions.
anygoal [31]

Option C: x=0 and x=\frac{5}{2} are the solutions.

Explanation:

The equation is \frac{x}{3} =\frac{x^{2} }{x+5}

We shall determine the value of x, by simplifying the equation.

$\begin{aligned} x(x+5) &=3 x^{2} \\ x^{2}+5 x &=3 x^{2} \\ 2 x^{2}-5 x &=0 \\ x(2 x-5) &=0 \end{aligned}$

Thus, x=0 and x=\frac{5}{2} are the solutions.

Now, let us check whether the solutions are extraneous solutions.

Let us substitute x=0 in the original equation to check whether both sides of the equation are equal.

\begin{aligned}&\frac{0}{3}=\frac{0^{2}}{0+5}\\&0=\frac{0}{5}\\&0=0\end{aligned}

Thus, both sides of the equation are equal.

Hence x=0 is a true solution.

Now, Let us substitute x=\frac{5}{2} in the original equation to check whether both sides of the equation are equal.

\begin{aligned}\frac{\left(\frac{5}{2}\right)}{3} &=\frac{\left(\frac{5}{2}\right)^{2}}{\left(\frac{5}{2}\right)+5} \\\frac{5}{6} &=\frac{\left(\frac{25}{4}\right)}{\left(\frac{15}{2}\right)} \\\frac{5}{6} &=\frac{5}{6}\end{aligned}

Thus, both sides of the equation are equal.

Hence, x=\frac{5}{2} is a true solution.

Thus, solutions are not extraneous.

Hence, Option C is the correct answer.

8 0
3 years ago
6 oz X 0.59/oz please help me
nlexa [21]
Do u have to convert the oz or something because i think all u have to do is multiply and the answer will simply be 3.54
Hope that helps
5 0
3 years ago
What is the area of a triangle with a height of 2.9 cm and a base of 7 cm​
allsm [11]

Answer:

area=10.15 cm

Step-by-step explanation:

a=h*b/2

a= 2.9*7/2

a= 10.15

6 0
3 years ago
1 cm = ________ g <br>need help asap plsss​
Elina [12.6K]

Answer:

<h2>1 cubic meter is equal to 1000000 grams</h2>

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