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3 years ago

6

find the common difference of the arithmetic sequence. 9, 13, 17, 21, . . . a. nine thirteenths b. 4 c. one and four ninths d. 2

2

1 answer:

shusha [124]3 years ago

3 0

The answer is letter b.4

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(12 + 5) + 32 × (10 − 5) =

Leviafan [203]

Answer:

177 hope this helps

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3 years ago

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The approximate number of bicycles in the United States in the year 2007 was 14,000,000. How can this number be expressed in sci

elena-s [515]

Answer:

$1.4*10^7$

Step-by-step explanation:

we have

$14,000,000$

Remember that

$14,000,000=1.4(10,000,000)$

and

$10,000,000=1*10^7=10^7$

substitute

$14,000,000=1.4*10^7$

8 0

3 years ago

Use the equation below to calculate the average speed for each problem, then complete the data table below. Problem Distance Tim

Naddik [55]

1. Answer is 4.5 km / hr.

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4 0

3 years ago

Evaluate-2+7x^2-2x^3-8x+7x^4 at x=5

Murljashka [212]

Answer:

4262

Step-by-step explanation:

2 + 7x^2- 2x^3-8x +7x^4 at x = 5

= 2 + 7*(5)^2 - 2*(5)^3-8*5 +7*(5)^4

=2+175-250-40+4375

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3 years ago

In our Solar system six of the eight planets have moons what percentage of the planets have moons

Vladimir79 [104]

75%
you just divide 6/8

7 0

3 years ago