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tensa zangetsu [6.8K]
3 years ago
7

Can u help me with 3 and 4

Mathematics
1 answer:
larisa [96]3 years ago
7 0

Answer:

3)

   18:6

   66:22

4)

    1:4

     2:24

Hope this helps! <3

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What is the seventh term of an arithmetic sequence represented by the rule A(n) = 9+ (n 1)(-5)?
mr Goodwill [35]

A linear equation in slope intercept form that passes through the points (-11 -5) and (1 -2) is:

y=\frac{1}{4}x-\frac{9}{4}

Step-by-step explanation:

Given:

Explicit formula for sequence

A(n)=9+(n-1)(-5)

To find the 7th term we have to put n=7

So,

A(7)=9+(7-1)(-5)\\=9+(6)(-5)\\=9-30\\=-21

A linear equation in slope intercept form that passes through the points (-11 -5) and (1 -2) is:

y=\frac{1}{4}x-\frac{9}{4}

Keywords: Arithmetic sequence, Common Difference

Learn more about arithmetic sequence at:

  • brainly.com/question/4771355
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Answer:

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Step-by-step explanation:

In order to find the area of a quadrilateral WXYZ, with WX=24m, XY=50m, YZ=40m, ZW=30m and the diagonal being 50m, the following calculation has to be done:

X = 0,5 24 × 30 × sen 24 + 0,5 × 50 × 40 × sen 40

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The answer to this is the 3rd option
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Prime numbers are numbers that only have a factor of one and its self.
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Answer:

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Step-by-step explanation:

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