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dezoksy [38]
3 years ago
6

We examine a population with normal distribution having mean of 1000 and standard deviation 50. What percentage of the populatio

n lies between 850 and 1150?
Mathematics
1 answer:
Dafna11 [192]3 years ago
6 0

Answer:

99.7%

Step-by-step explanation:

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Please help i will give extra points
belka [17]

Answer:

-63

Step-by-step explanation:

(-25+4^2) * 7

(-25+16) * 7

-9*7=-63

6 0
3 years ago
Boadu and ansah formed a company and agreed that their annual profit will be shared in the ratio of 4:5 respectively. If at the
lozanna [386]

Answer:

ghs 20,000

Step-by-step explanation:

If Boadu and ansah formed a company and agreed that their annual profit will be shared in the ratio of 4:5 respectively, the total ratio will be 4 + 5 = 9

Let Boadu share be x

Let ansah share be y

If at the end of the year ansah received ghs5,000 more than Boadu, then;

y = 5000 + x

Boadu share = 4/9 * (x+y)

x+y is the total amount shared

x = 4/9 * (x+y)

Substitute y = 5000 + x

9x = 4(x+y)

9x = 4x + 4y

9x - 4x = 4y

5x = 4y

5x = 4(5000+x)

5x = 20,000 + 4x

5x-4x = 20,000

x = 20,000

Hence Boadu share is ghs 20,000

3 0
2 years ago
Pleaee help me with this im stuck
AURORKA [14]

the answers are clear if you use priority and equation rules.

  1. q=11
  2. u=2
  3. a=13
  4. l=8
  5. s=12
6 0
3 years ago
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Ella has 50stacks of ten pennies how many pennies ella has in all?
dedylja [7]

Ella has 500 pennies.

7 0
3 years ago
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If you can answer this, please help !
PolarNik [594]

Answer:

the total of angle's in traingle is 180

so 85+53+c=180

c=180-138

c=42

8 0
3 years ago
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