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trapecia [35]
3 years ago
9

In an arithmetic sequence, find a6 when a1 = 13 and d = 4

Mathematics
1 answer:
jolli1 [7]3 years ago
6 0

a_{6} = 33

the n th term of an arithmetic sequence is

a_{n} = a_{1} + (n - 1 )d, hence

a_{6} = 13 + (5 × 4 ) = 13 + 20 = 33


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Sonbull [250]
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4 0
3 years ago
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3 0
2 years ago
What is the Anwser if a divide 33 into 2 groups so the ratio is 4 to 7
Naddika [18.5K]
You have to solve this algebraicly.
To do this set up the proportion and add x to each term.
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4x+7x=33
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x=3
Now go back to 4x and 7x
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7 0
3 years ago
EGF and GFH are a linear pair, m EFG = 4n + 15, and m GFH = 5n + 39. what are m EFG and m GFH?
Tasya [4]

The angles of ∠EFG  and ∠GFH are 71° and  109°

<h3>What are linear pair angles?</h3>

Linear pair of angles are formed when two lines intersect each other at a single point.

In other words, a linear pair of angles is a pair of adjacent angles formed when two lines intersect each other.

Linear pair angles are supplementary. This means the sum of  a linear pair angles is 180 degrees.

Therefore,

∠EFG + ∠GFH = 180

Therefore,

∠EFG = 4n + 15

∠GFH = 5n + 39

hence,

4n + 15 + 5n + 39 = 180

9n + 54 = 180

9n = 180 - 54

9n = 126

n = 126 / 9

n = 14

Hence,

∠EFG = 4n + 15 = 4(14) + 15 = 71°

∠GFH = 5n + 39 = 5(14) + 39 = 109°

learn more on linear pair angles here: brainly.com/question/28264317

#SPJ1

4 0
1 year ago
A is directly proportional to b, and a = 14 when b = 42. Write a direct
Natali [406]

Answer:

a is to be as b as 1 is to 3 (a:b as 1:3)

Step-by-step explanation:

5 0
2 years ago
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