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AveGali [126]
2 years ago
6

Amy invites 800 people to her pool

Mathematics
1 answer:
antiseptic1488 [7]2 years ago
4 0

Answer:

400

Step-by-step explanation:

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A bag contains 7 pieces of paper numbered 1 to 7. P(2)=. Is this an experimental or theoretical probability and why?
Lera25 [3.4K]

Answer:

theoretical probability

Step-by-step explanation:

This is theoretical probability.  The 7 pieces of paper each bear one number from {1, 2, ... , 6, 7}.  There is only one piece of paper marked 7.  So the probability of drawing a 2 is  1/7.  

4 0
3 years ago
9 + 3x - 8<br> can you simplify ?
n200080 [17]

Answer:

3x+1

Step-by-step explanation:

9+3x-8

9-8+3x

1+3x

4 0
3 years ago
Read 2 more answers
Parker ran 800 meters, 6 kilometers,and 4,000 centimeters. How many meters did he run all together?
Vesna [10]
The correct answer is 6,840 meters. Hope this helps! ;)
6 0
3 years ago
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a money market fund advertises a simple interest rate of 9% find the total amount received on an investment of 5000 for 17 month
I am Lyosha [343]

Answer:

Step-by-step explanation:

Formula: Simple interest = PRT

P= 5000

R= 9%

T= 17

So, 5000 x 9/100 x 17 = 7650

5 0
3 years ago
Please help me I will mark brainliest! The ratio of the number of boys to the number of girls in a school is 3:4. One-third of t
Alex17521 [72]

Answer:

a) 952

b) 136

Step-by-step explanation:

<u>Ratio of b:g = 3:4, based on this we have:</u>

  • Number of boys = 3x
  • Number of girls = 4x
  • Total number of pupils = 3x+4x = 7x

<u>Number of spectacle wearers:</u>

  • 1/3*3x + 3/8*4x = x + 3/2x = 2.5x

<u>Number of those not wearing spectacles:</u>

  • 7x - 2.5x= 4.5x

<u>And this number equals to 612, then we can find the value of x:</u>

  • 4.5 x = 612
  • x= 612/4.5
  • x= 136

a) T<u>otal number of pupils:</u>

  • 7x = 7*136 = 952

b)<u> The difference in the number of boys and girls:</u>

  • 4x-3x= x = 136
7 0
3 years ago
Read 2 more answers
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