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andrew11 [14]
3 years ago
12

Please.solve the system of equations

Mathematics
1 answer:
Talja [164]3 years ago
4 0

Solve for the first variable in one of the equations, then substitute the result into the other equation.

Point Form: (3,2)

Equation form:

x = 3

y = 2

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A certain chromosome defect occurs in only 1 in 200 adult Caucasian males. A random sample of 100 adult Caucasian males will be
svlad2 [7]

Answer:

0.005 `; 0.00499 ;

No, because np < 10 ;

2000

Step-by-step explanation:

Given that:

Number of samples , n = 100

Proportion, p = x / n

p = 1 / 200

= 0.005

p = μ

Standard deviation of sample proportion :

σp = sqrt((p(1 - p)) / n)

σp = sqrt((0.005(1 - 0.005)) / 200)

σp = sqrt((0.005(0.995)) / 200)

σp = sqrt(0.004975 / 200)

σp = sqrt(0.000024875)

σp = 0.0049874

σp = 0.00499

np = 100 * 0.005 = 0.5

n(1 - p) = 100(1-0.05) = 95

Smallest value of n for which sampling distribution is approximately normal

np ≥ 10

0.005n ≥ 10

To obtain the smallest value of n,

0.005n = 10

n = 10 / 0.005

n = 2000

7 0
3 years ago
john set a record when he caught a salmon that weighed 97 1/2pounds. james caught a salmon that weighed 74 7/16pounds. How much
ZanzabumX [31]

Answer:

23.0625 or 23 13/200

Step-by-step explanation:

97 1/2 - 74 7/16 = 23.065 or 23 13/200

Fun fact: The heaviest salmon caught is actually 97 pounds!

If you found this helpful, please give me brainliest. Thanks!

5 0
3 years ago
The second term in a geometric sequence is 12. The fourth term in the same sequence is 4/3 what is the common ratio in this sequ
Softa [21]

Answer:

The common ratio in this sequence is 6:2 or 4:3

Step-by-step explanation:

hopes this heklps

3 0
3 years ago
Show answer in lowest terms.3/4 + 8/9
DiKsa [7]
3/4 + 8/9

= (3*9)+(4*8) / (4*9)

= 27+32 / 36

= 59/36

= 1 23/36
7 0
3 years ago
Read 2 more answers
If ΔRST symbol ΔNPQ, which of the following is true?
lutik1710 [3]

Answer:

It means P ! / N! / K Because of the language

5 0
2 years ago
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