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CaHeK987 [17]
2 years ago
7

Which of the following are arithmetic sequences? Check all that apply.

Mathematics
1 answer:
telo118 [61]2 years ago
3 0

a c and d

ub9uyuyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy

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An item is regularly priced at $80 . Sam bought it at a discount of 60% off the regular price. How much did Sam pay?
Nikitich [7]
Sam paid $32 for the item.
6 0
2 years ago
Shabana earns £1900 a month. She is awarded a 1% pay rise. What is her new salary?
elena-s [515]

Answer: 1919 will be the final amount

Step-by-step explanation: 1 percent of 1900 is 1900/100=19

add this to 1900

this will get you 1919

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3 0
2 years ago
What is 2x - y = last question
Elza [17]

Answer:

Step-by-step explanation:

Let's simplify step-by-step.

2x−y

There are no like terms.

Answer:

=2x−y

8 0
2 years ago
Read 2 more answers
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

#SPJ1

5 0
1 year ago
What is 34827 x 7 =<br><br> Jasper over here..
kirill [66]

Answer:

243789

Step-by-step explanation:

(34827) 7 = 243789

Hope this helps!

3 0
2 years ago
Read 2 more answers
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