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denis23 [38]
3 years ago
15

The side lengths of four triangles are given below. Which of them is not a right triangle?

Mathematics
1 answer:
Dafna11 [192]3 years ago
4 0
The answer is 7,8,9. Hope this helps
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Work out an expression for the nth term for this sequence:<br><br> 23,35,47,49
notsponge [240]
<h3>Answer:</h3>

a_n = 23 +12(n -1)

<h3>Explanation:</h3>

The nth term of an arithmetic sequence is explicitly defined as a_n = a_1 +d(n -1) where a_1 is the first term of the sequence and d is the the common difference.

From the given first five terms of the sequence we can see that the first term is 23 so a_1 = 23.

The common difference, d, can be calculated by a_n - a_{n -1} so we'll find the common difference of the given sequence by letting n = 2

d = a_2 - a_{2 -1} \\d = a_2 -a_{1} \\d = 35 -23 \\ d = 12.

Now let's plug everything we know.

a_1 = 23

d = 12

a_n = 23 + 12(n -1)

7 0
2 years ago
Simplify -2.8f+0.9f-12-4
bogdanovich [222]

Answer:

  • -1.9f - 16

Step-by-step explanation:

  • -2.8f + 0.9f - 12 - 4 =
  • (-2.8 + 0.9)f - (12 + 4) =
  • -1.9f - 16
3 0
3 years ago
Read 2 more answers
What is an equation of the line that passes through the points (-4,-2) and (-8,3) ??
andre [41]

Answer:

y =  − 5/ 4 x  − 7

Step-by-step explanation:

4 0
3 years ago
Please help me ASAP<br> Please help
m_a_m_a [10]

Answer:

5 X 4

Step-by-step explanation:

If you plot the dots, youll obviously see a rectangle. The height of the rect. is 4, while the length is 5, so the measurements would be <em>5 x 4.</em>

<em />

<em>Hope this helped!!</em>

6 0
3 years ago
A skateboarder holds onto a circular merry-go-round, which is a certain distance away from a padded wall. The platform of the me
Drupady [299]

Answer:

.

Step-by-step explanation:

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8 0
3 years ago
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