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AlexFokin [52]
3 years ago
13

Identify the common difference of the sequence: –8, –1, 6, 13

Mathematics
2 answers:
LenaWriter [7]3 years ago
8 0

Answer:

Socratic app

Step-by-step explanation:

it will help you

allochka39001 [22]3 years ago
7 0

Answer

18

Step-by-step explanation: They are skipping -7, 5, -7

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No copy and paste answers.
miss Akunina [59]

Answer:

  2.5 miles

Step-by-step explanation:

The relation between time, speed, and distance is ...

  distance = speed × time

We can define t to be Stanley's swimming time. Then t+0.5 was his running time, and 2(t+0.5) was his biking time. His total distance covered is ...

  64 = 9(t +0.5) +16(2(t +0.5)) +2.5(t)

  64 = 43.5t +20.5 . . . . . . . simplify

  43.5 = 43.5t . . . . . . . . . subtract 20.5

  t = 1 . . . . . . . . . . . . . . divide by the coefficient of t

Stanley swam for 1 hour, so the distance he covered while swimming was ...

  (2.5 mi/h)(1 h) = 2.5 mi

Stanley covered 2.5 miles while swimming.

_____

<em>Additional comment</em>

Stanley ran for 1.5 hours, covering 9×1.5 = 13.5 miles. He biked for 3 hours, covering 16×3 = 48 miles. His total distance was 2.5 +13.5 +48 = 64 miles, as given.

6 0
2 years ago
If 18 g of a radioactive substance are present initially and 9 yr later only 9 g remain, how much of the substance will be prese
kvasek [131]

Answer:

Him hhhuuu vividly

Step-by-step explanation:

8 0
3 years ago
Which sentence explains the correct first step in the solution of this equation?<br><br> 4(x−3)=9
kodGreya [7K]

Answer:

You will do the Distributive Property first.

Step-by-step explanation:

You will do the Distributive Property first.

4(x - 3) = 9 <u>distribute the 4 into the x and -3.</u>

4x - 12 = 9 <u>add -12 to both sides.</u>

4x = 21 <u>divide 4 on both sides.</u>

x = 5.25 is your answer.

4 0
3 years ago
PLEASE HELP!!! WILL MAKE YOU BRAINLIEST!!!!! PLEASE HURRY
kobusy [5.1K]

Answer:

they would have 1 scoop per cone and 80 kds

Step-by-step ex planation:

they would get one fav

4 0
3 years ago
Can someone help with my homework?
USPshnik [31]

Step-by-step explanation:

To divide by a fraction, multiply by its reciprocal.

1) (m² / 9) / (n² / m)

(m² / 9) × (m / n²)

m³ / (9n²)

2) (4 / y) / (2 / (yx))

(4 / y) × (yx / 2)

2x

3) (x² / y) / (1 / y)

(x² / y) × (y / 1)

x²

4) (3 / b) / (9 / a²)

(3 / b) × (a² / 9)

a² / (3b)

5) (x² / 16) / (16 / y²)

(x² / 16) × (y² / 16)

x²y² / 256

5 0
3 years ago
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