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Vanyuwa [196]
3 years ago
10

Negative three times a number plus four is no more than the number minus 8

Mathematics
2 answers:
REY [17]3 years ago
7 0

Let me dumb it down for you guys.

-3 x (A Number) + 4 is no more then the number -8.

ki77a [65]3 years ago
4 0

Answer:

-3n+4< (or equal to) n-8

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The number 6 could replace the gap :)
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261,177 is farther or closer to 300000
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Actually is close, like rounding anything above 5 is rounded up, 5 and below stays the same. It's 261,177 that means it is around 40,000 away from 300,000. Therefore is it closer
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What’s the circumference of this shape?xx
VikaD [51]

The hypotenuse of the triangle would be the diameter of the semi circle.

Using the Pythagorean theorem you can find that.

8^2 + 6^2 = x^2

64 +36 = x^2

100 = x^2

x = √100

x = 10

The diameter is 10, now find the circumference.

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Since it is a semi circle, the circumference would be 1/2 of that.

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7 0
3 years ago
A study shows that 20% of college students pray daily in their own religious beliefs. In a group of 300 college students, find t
svetlana [45]

Answer:

0.2805

Step-by-step explanation:

Given that p = 20% = 0.2, n = 300.

The mean (μ) = np = 0.2 * 300 = 60

The standard deviation (σ) = \sqrt{np(1-p)}=\sqrt{300*0.2(1-0.2)}=6.93

The z score is used to determine by how many standard deviations the raw score is above or below the mean. The z score is given by:

z=\frac{x-\mu}{\sigma }

For x = 57:

z=\frac{57-60}{6.93 } =-0.43

For x = 62:

z=\frac{62-60}{6.93 } =0.29

From the normal distribution table, P(57 < x < 62) = P(-0.43 < z < 0.29) = P(z < 0.29) - P(z < -0.43) = 0.6141 - 0.3336 = 0.2805

5 0
3 years ago
(50 points) Use the spinner below. Show your work, making sure to simplify your answers. (Note: The smallest section of the circ
Verizon [17]

Answer:

  • 16. 3/8
  • 17. 1/8
  • 18. 5/18
  • 19. 0
  • 20. 1

Step-by-step explanation:

<u>As per the spinner we have:</u>

  • Green = 1/2 - 1/16 = 7/16
  • Red = 1/4
  • Purple = 1/8
  • Orange, blue, yellow = 1/16

<u>16. P(red, yellow, blue) = ?</u>

  • P = 1/4 + 1/16 + 1/16 = 3/8

<u>17. P(orange, yellow) = ?</u>

  • P = 1/16 + 1/16 = 1/8

<u>18. P(green, blue, purple) = ?</u>

  • P = 7/16 + 1/16 + 1/8 = 10/16 = 5/8

<u>19. P(pink) = ?</u>

  • P = 0 as no pink section

<u>20. P(red, orange, yellow, green, blue, purple) = ?</u>

  • P = 1 as all possible colors selected
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2 years ago
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