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gavmur [86]
3 years ago
15

If a sequence starts with 1 then 4 then 9 how many would the next sequence have

Mathematics
1 answer:
Murljashka [212]3 years ago
6 0

 I think the answer is 16!!!!

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What is square minus??​
julsineya [31]

Answer:

Step-by-step explanation:

The square of minus 1 would be 1.

The square of minus 2 would be 4

The square of minus (-3) would be 9

And so on.

6 0
3 years ago
Amelia used 6 liters of gasoline to drive 48 kilometers.
Margarita [4]
For every liter she used, she drove 8 kilometers. In this problem you are finding the unit rate. In order to do this you divide 48 (kilometers) by 6 (liters of gasoline).

48 Divided by 6 equals to 6 Kilometers
—- —-
6 Divided by 6 equals to 1 Liter

For the second question you divide the liter by 6. Amelia used 0.1666 liters of gasoline per kilometer. 0.1666 is equivalent to 1/6.
4 0
2 years ago
Read 2 more answers
HELp meh with this question it very hard
Dovator [93]

Answer:

  • AB = 7 cm

Step-by-step explanation:

<u>Use the law of cosines to find the side AB:</u>

  • AB = \sqrt{(x + 3)^2+x^2-2x(x+3)cos (60)} =
  • \sqrt{x^2+6x+9+x^2-x^2-3x}  = \sqrt{x^2+3x+9}

<u>Use the Heron's area formula next:</u>

  • A = \sqrt{s(s - a)(s-b)(s-c)}, where s- semi perimeter
  • s = 1/2[x + x + 3 + \sqrt{x^2+3x+9}) = 1/2 (2x + 3 + \sqrt{x^2+3x+9})
  • s - a = 1/2 (2x + 3 + \sqrt{x^2+3x+9} - 2x - 6) = 1/2 (\sqrt{x^2+3x+9 } - 3)
  • s - b = 1/2 (2x + 3 + \sqrt{x^2+3x+9} - 2x) = 1/2 (\sqrt{x^2+3x+9} + 3)
  • s - c = 1/2 (2x + 3 + \sqrt{x^2+3x+9} - 2\sqrt{x^2+3x+9}) = 1/2 (2x + 3 - \sqrt{x^2+3x+9})

<u>Now</u>

  • (s - a)(s - b) = 1/4 [(x²+3x+9) - 9] = 1/4 (x² + 3x)
  • s(s - c) = 1/4 [(2x + 3)² - (x² + 3x + 9)] = 1/4 (3x²+ 9x) = 3/4(x² + 3x)

<u>Next</u>

  • A² = 3/16(x² + 3x)(x² + 3x)
  • 300 = 3/16(x² + 3x)²
  • 1600 = (x² + 3x)²
  • x² + 3x = 40

<u>Substitute this into the first equation:</u>

  • AB = \sqrt{40 + 9} = 7 cm

4 0
3 years ago
Ben can type 2/5 of a page of an essay in 1/2 minute. How much time would
DiKsa [7]

Answer:

1.25 minutes, or 1 minute 15 seconds

Step-by-step explanation:

We know that is speed is 0.4 pages per 0.5 minutes. This is 0.8 pages per 1 minute. If we divide 1/0.8, we get 1.25 or 1 minute 15 seconds.

4 0
2 years ago
Read 2 more answers
Solve for y: 6x-2y=-8
Stella [2.4K]
<span>6x-2y=-8
-2y =-6x-8
y = 3x+4

y= 3x+4</span>
4 0
3 years ago
Read 2 more answers
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