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dem82 [27]
3 years ago
10

50 POINTS! Is the relationship shown by the data linear? If so, model the data with an equation.

Mathematics
1 answer:
vlada-n [284]3 years ago
3 0

Answer:

The relationship is not linear.

Step-by-step explanation:

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Find the 21st term in the arithmetic sequence.<br> 3, 7, 11, 15, 19, ...
NNADVOKAT [17]

The 21st term of the given arithmetic sequence is 83. The nth term of an arithmetic sequence is applied to find the required value where n = 21.

<h3>What is the nth term of an arithmetic series?</h3>

The nth term of an arithmetic sequence is calculated by the formula

aₙ = a + (n - 1) · d

Here the first term is 'a' and the common difference is 'd'.

<h3>Calculation:</h3>

The given sequence is an arithmetic sequence.

3, 7, 11, 15, 19, ....

So, the first term in the sequence is a = 3 and the common difference between the terms of the given sequence is d = 7 - 3 = 4.

Thus, the required 21st term in the sequence is

a₂₁ = 3 + (21 - 1) × 4

⇒ a₂₁ = 3 + 20 × 4

⇒ a₂₁  = 3 + 80

∴ a₂₁  = 83

So, the 21st term in the given arithmetic sequence is 83.

Learn more about the arithmetic sequence here:

brainly.com/question/6561461

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5 0
1 year ago
David loves to cook! He knew 21 recipes before starting cooking school and he learns 2 recipes
pishuonlain [190]

Answer:

Sarah is incorrect.

Step-by-step explanation:

By plugging 10 in as 'x' to the equation, we get y=21+(2*10). 2 x 10 is 20, and 20 + 21 is <em>not</em> 42 - it's 41. So, Sarah is incorrect.

7 0
3 years ago
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Julie needs to have swim lessons for her son. There are four different stores that offer swim lessons. Which one is the BEST dea
Goryan [66]
I believe the answer is D! Hope this helps
8 0
3 years ago
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What is the complement of an 18 degree angle
svlad2 [7]

Answer:

The complementary angle is 72

Step-by-step explanation:

Complementary angles add to 90 degrees

Let x be  the complementary angle

x+18 = 90

Subtract 18 from each side

x = 90-18

x = 72

6 0
4 years ago
Rosita is playing a card game with some friends. The game starts by Rosita passing 7 cards to each player. If she passes out twe
NARA [144]
7p = 28....division property...divide both sides by 7
p = 28/7
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5 0
4 years ago
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