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AveGali [126]
2 years ago
14

NO LINKS !!!! Giving brainliest. Geometry with triangles word problem.

Mathematics
1 answer:
Novosadov [1.4K]2 years ago
6 0

Answer:

for a, look at my picture

b = 19.5 inches

Step-by-step explanation:

A is simple. thats my take on it, but other people coudl've drawn it differently

B is more difficult. I made triangle QRS like that so i can make a ratio.

My ratio:

QX:QY = QR:QS

8:12=13:QS

13*12 = 8*QS

156/8 = 19.5

therefore 19.5 inches

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An arithmetic sequence "a" starts with 84, 77 define "a" recursively
sweet [91]

Answer:

First, let's define an arithmetic sequence:

In an arithmetic sequence, the difference between any two consecutive terms is always the same.

Then we can write it in a general way as:

aₙ = a₁ + (n - 1)*d

where:

aₙ is the n-th term of the sequence.

d is the constant difference between two consecutive terms.

a₁ is the initial term of our sequence.

Now in this case we know that the first terms of our sequence are:

84, 77, ...

Then we know the initial term of our sequence:

a₁ = 84.

And the value of d can be calculated as:

d = a₂ - a₁ = 77 - 84 = -7

Then the general way of writing this sequence is:

aₙ = 84 + (n - 1)*(-7)

And the recursion relation is:

aₙ = aₙ₋₁ - 7

So for the n-th term, we must subtract 7 of the previous term.

4 0
3 years ago
I feel like everyone on this app has just given up, because no one has been helping me with any of my math stuff. And it's just
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Answer:

aw, i <3 you to ;)

if you need me let me know

okay?

;)

5 0
3 years ago
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ale4655 [162]

Answer:

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Step-by-step explanation:

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Write an equation in slope-intercept form that includes the points (-1,4) and (2, −2).
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The two formulas i used should be in your book

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3 years ago
Please help i will give extra points
klemol [59]

Answer:

36 \div (3 \times 2) - 4 \\ 36 \div 6 - 4 \\ 6 - 4 \\  = 2

<h3><u>PLEASE</u><u> MARK</u><u> ME</u><u> BRAINLIEST</u></h3>
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