2 years ago

Please help!

Mathematics

1 answer:

NNADVOKAT [17]2 years ago

7 0

Answer:

The equation would be 2,250 - 120<em>m</em>

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Nimfa-mama [501]

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What are the first three terms of the sequence modeled by the recursive function an=1/2an-1 when a1=1?

loris [4]

Answer:

Option A is correct that is $1,\frac{1}{2},\frac{1}{4}$

Step-by-step explanation:

We have been given a formula $a_n=\frac{1}{2}\cdot a_n-1$

$a_1=1$

We will put values of n in $a_n=\frac{1}{2}\cdot a_n-1$

when n=2 we get

$a_2=\frac{1}{2}\cdot a_2-1$

$\Rightarrow a_2=\frac{1}{2}\cdot a_1$

$\Rightarrow a_2=\frac{1}{2}\cdot 1$

$\Rightarrow a_2=\frac{1}{2}$

when n=3

$a_3=\frac{1}{2}\cdot a_2$

$\Rightarrow a_3=\frac{1}{2}\cdot \frac{1}{2}$

$\Rightarrow a_3=\frac{1}{4}$

Therefore, Option A is correct that is $1,\frac{1}{2},\frac{1}{4}$

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2 years ago

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Is this answer correct?

andre [41]

Thx no that answer is not correct

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Evaluate cos 25o to four decimal places.

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2 years ago

Here it is love please be quick:) thx again!!

saveliy_v [14]

Answer:

-3.1=x or x=-3.1

Step-by-step explanation:

Equation: 5.1=-3x-4.2

Adding 4.2 on both sides

5.1=-3x-4.2

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Which equals:

9.3/-3=-3x/-3

Divide -3 on both sides:

-3.1=x or x=-3.1

Hope this helps!

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2 years ago

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