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slavikrds [6]
3 years ago
10

Find a value of k for which the following system has only one solution:

Mathematics
1 answer:
nata0808 [166]3 years ago
6 0
K(cannot equal (the = sign with the line through it) -2
k(=/)-2

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The lengths of pregnancies in a small rural village are normally distributed with a mean of 264.1 days and a standard deviation
KiRa [710]

Answer:

The range of the 95% data (X) =  238.3 days <  X < 289.9 days

Step-by-step explanation:

Given;

mean of the normal distribution, m = 264.1 days

standard deviation, d = 12.9 days

between two standard deviation below and above the mean is 96% of all the data.

two standard deviation below the mean = m - 2d

                                                                   = 264.1 - 2(12.9)

                                                                   = 238.3 days

two standard deviation above the mean = m + 2d

                                                                    = 264.1 + 2(12.9)

                                                                     = 289.9 days

The middle of the 95% of most pregnancies would be found in the following range;

238.3 days <  X < 289.9 days

5 0
2 years ago
Write 0.2 as a percentage.
nlexa [21]
To turn a decimal to a percent.....there r 2 ways.

(1) multiply  the number by 100 : 0.2 x 100 = 20%
(2) take ur decimal and move it 2 spaces to the right : 0.2 = 20%


3 0
3 years ago
Read 2 more answers
Click on the correct answer.
Margaret [11]

Answer:

A

Step-by-step explanation:

i am smart

6 0
2 years ago
explain how you would find how many 1 1/2 cups servings there are in the pot that cantains 22 1/2 cups of soup
galina1969 [7]

Answer:

43 is how many 1/2 cup servings there are in 22 1/2.

7 0
2 years ago
How do you reduce 15/16
alina1380 [7]

Answer:

you can't because they don't have common factors

Step-by-step explanation:

8 0
3 years ago
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