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Gala2k [10]
3 years ago
11

Which of the sequences is an arithmetic sequence?

Mathematics
2 answers:
Dennis_Churaev [7]3 years ago
7 0

Answer:

B. -3, -10, -17, -24, -31

Step-by-step explanation:

An Arithmetic sequence is defined as a set of numbers with a common difference. In answer choice B, it is seen that the difference between each number is seven.

A is incorrect as one to eight has a difference of seven, while the other numbers have a difference of eight.

C is incorrect as it skips the number 12 between 9 and 15, thus breaking the sequence.

D is incorrect as the numbers jump from positive to negative, thus not having a common difference.

Hope this helps!

11111nata11111 [884]3 years ago
7 0

Answer: “B”

Step-by-step explanation: An arithmetic sequence is a pattern where the same number is repeatedly added or subtracted. “B” would be the correct answer because each time, we have a common difference of -7 because we subtract 7 each time to get to our next term. We could also write this in recursive description as followed.

Starting at -3, subtract 7 to get to the next term.

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Solve for x: x - 10 = -12
MakcuM [25]

Answer:

The answer is -2

Step-by-step explanation:

First you do +10 on both sides leaving you with x = -2

And that is your final answer (x=-2)

Can I have brainliest? It would help me out, if not thanks anyways! Hope this helped and have a nice day!

7 0
2 years ago
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A one-year-old car is now worth AED 12 000.
masha68 [24]

Answer:

AED 15,000

Step-by-step explanation:

Depreciation is a reduction in the value or worth of an asset as a result of use.

Given that the car is depreciated by 20%, it means that the value of the car after the application of depreciation is the result of the original price of the car less the amount of depreciation which has been given as 20% of the original price.

Let the original price of the car (its price when it was new) be T then

T - 0.2T = 12,000

0.8T = 12,000

T = 12,000/0.8

= AED 15,000

3 0
3 years ago
3. A bag of Jelly beans contains 12 red, 17 white and 14 black jelly beans.
Nataly_w [17]

Answer:

steps below

Step-by-step explanation:

Total = 12+17+14 = 43

Without replacement:

C(12,5) / C(43,5) = (12!/5!*7!) / (43!/5!*38!) = (12*11*10*9*8) / (43*42*41*40*39)

                          = 95040 / 115511760

                           = 0.00082

                           ≈ 0.082%

with replacement: 12/43*12/43*12/43*12/43*12/43 = 12⁵ / 43⁵

3 0
2 years ago
Zoe went on a shopping trip to Fairfax. She purchased a barbecue grill originally priced at $600 but discounted 50%. If sales ta
sergey [27]

Answer:

The total cost is $345

Step-by-step explanation:

Zoe  purchased a barbecue grill originally priced at $600

Discount % = 50%

So, cost after discount = 600-50\%(600)

Cost after discount =300

Sales tax in Fairfax is 15%

So, cost including tax = 300+0.15(300)

Cost including tax = 345

Hence The total cost is $345

6 0
3 years ago
Which postulate or theorem proves that triangle JHG and
antiseptic1488 [7]

Answer:

The answer is AS A Congruence Postulate.

Step-by-step explanation:

7 0
2 years ago
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