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3 years ago

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Mathematics

1 answer:

Solnce55 [7]3 years ago

5 0

Answer:

h represents the Venn diagram for the above question

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Find the sum of this infinite geometric series: 4 - 2.88 + 2.0736- 1.492992+...

kirza4 [7]

Let $r$ be the common ratio between terms. Then

$-2.88=4r\implies r=-0.72$

Now denote the $n$ th partial sum of the series by

$S_n=4-2.88+2.0736-1.492992+\cdots+4(-0.72)^{n-1}+4(-0.72)^n$

Multiply both sides by $-0.72$ , then subtract from the above to get

$S_n-(-0.72S_n)=4-4(-0.72)^{n+1}$
$1.72S_n=4(1-(-0.72)^{n+1})$
$S_n=2.32558(1-(-0.72)^{n+1})$

As $n\to\infty$ , you're left with

$S_\infty=2.32558$

3 0

4 years ago

For what values of x is f(x) = 0?

padilas [110]

Answer:

x=1 and x =5

Step-by-step explanation:

We want to know when it crosses the x axis (f(x) =0) . From the graph, we can see the x value when y=0 is x=1 and x =5

8 0

3 years ago

What is 2x=8a+2b; solving for x

Eddi Din [679]

Answer:

Step-by-step explanation:

Flip the equation 1) 8a + 2b = 2x

Subtract 2b from both sides 2)8a + 2b(-2b) =<em> 2x + (-2b)</em>

Divide by 8 on both sides 3) 8a/8 =<em> -2b - 2x/8</em>

4) a = 1/-4b + 1/4x

7 0

4 years ago

Rujuan

Leona [35]

Answer:

Sin X=Cos Y

Step-by-step explanation:

Objective: Understand trigonometric relations such that

Cosine and Sine are similar to complementary angles that if X+Y are complementary angles,

Cos X= Sin Y and Cos Y= Sin X

7 0

3 years ago

In the diagram of rectangle ABCD below, m

insens350 [35]

Answer:

I think its B 36° its an acute angle

6 0

3 years ago

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