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2 years ago

Select the function that represents a geometric sequence.

Mathematics

2 answers:

jeka57 [31]2 years ago

6 0

Answer:

A(n) = P(1 + i)^n-1, where n is a positive integer

Flauer [41]2 years ago

6 0

Answer: A. A(n) = P(1 + i)n - 1, where n is a positive intege

Step-by-step explanation: I did the work and the test it is right.

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A strand of lights has 50 bulbs and eight of them are burned out what is the ratio of total numbers of the bulbs to the bulbs th

Strike441 [17]

Answer:

B.50:8

Step-by-step explanation:

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2 years ago

Fins the zeroes of the quadratic equation : 4√ 5 x^ 2 - 24x - 9√ 5

liubo4ka [24]

Answer:

Step-by-step explanation:

Hello,

First of all, we know that the solution of the following equation

$ax^2+bx+c=0$

are

$\dfrac{-b\pm\sqrt{b^2-4ac}}{2a} \ \text{ when } \Delta=b^2-4ac \geq 0$

<em>I would suggest that you try to apply this formula first and check the solution only after you try.</em>

Let's apply it in this case, we have:

$a=4\sqrt{5} \\ \\ b=-24 \\ \\ c= -9\sqrt{5}$

$\Delta=b^2-4ac=24^2+4*9*5=1296 \\ \\ \sqrt{\Delta}=36 \ \text{ and the solutions are } \\ \\ \\ x_1=\dfrac{24-36}{8\sqrt{5}}=\dfrac{-12}{8\sqrt{5}}=\boxed{\dfrac{-3}{2\sqrt{5}}} \\ \\x_2=\dfrac{24+36}{8\sqrt{5}}=\dfrac{60}{8\sqrt{5}}=\boxed{\dfrac{15}{2\sqrt{5}}}$

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

5 0

3 years ago

4. $500 at 12% for 6 months

navik [9.2K]

Answer:

you will earn $30

Step-by-step explanation:

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3 years ago

Find the value of f(2).

never [62]

Answer:

809-8-90-24+5

Step-by-step explanation:

Find the value of f(2).

y = f(x)

-10

-8

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2 years ago

Given P(A)=0.34P(A)=0.34, P(B)=0.45P(B)=0.45 and P(A\text{ or }B)=0.517P(A or B)=0.517, find the value of P(A\text{ and }B)P(A a

maria [59]

Easy this answer is going to be 0.517 you can read and round

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2 years ago