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Luden [163]
3 years ago
9

Which is the most effective way to obtain a random sample of your school population

Mathematics
1 answer:
Ierofanga [76]3 years ago
8 0
Ask every fifth person that exits the school
(systematic random)
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Interest is compounded semianually. Find the amount in the account after the given time.
sattari [20]

Answer:

<u>$1,159.69</u>

Step-by-step explanation:

Compound Interest Formula :

  • A = P (1 + r/n)^(nt)
  1. A = amount
  2. P = principal
  3. r = rate (in decimals)
  4. n = number of times compounded
  5. t = number of years

Solving :

  • A = (1,000)(1 + 0.05/2)²⁽³⁾
  • A = (1,000)(1.025)⁶
  • A = (1,000)(1.15969342)
  • A = <u>$1,159.69</u>
3 0
3 years ago
The ratio of boys to girls in a class is 4:5 what fraction of teh class are boys
GalinKa [24]

Answer:

4/9

Step-by-step explanation:

If you add the ratios, it gives you the total, so 4 + 5 = 9.  9 total students.  Since boys is represented by 4, then 4/9 is the fraction for boys and 5/9 is the fraction for girls.

5 0
4 years ago
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2x-(10+4x)=3x-7 what is the answer
ZanzabumX [31]
X=-3/5

    3
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    5
 X=-3/5 would be the answer
6 0
3 years ago
How can u tell that 647 is less than 674?
Amiraneli [1.4K]
Look at the tenth's place. (:
5 0
3 years ago
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What is the diameter of 8cm in circle form?​
Leokris [45]

Answer:

What is the circumference of a circle with diameter 8cm? Circumference of a circle = 3.14 x d 3.14 x 8 = 25.12 Therefore the circumference of a circle with the diameter of 8cm is 25.12cm. What is...

Step-by-step explanation:

8 0
4 years ago
Read 2 more answers
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