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stiks02 [169]
3 years ago
8

Need help please help me​

Mathematics
1 answer:
ch4aika [34]3 years ago
7 0
The answer is c not tha
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Out of 22 players in a team, 10 of them have an average height of 1.50m while another 10 have an average height of 1.48m. The re
Sonja [21]

Answer:

1.5 meters

Step-by-step explanation:

We know that the sum of all of the data in a set = average * number of data.

Therefore, the sum of the first 10 is 1.5 * 10 = 15 meters, the sum of the second 10 is 1.48 * 10 = 14.8 meters and the sum of the last 2 is 1.6 * 2 = 3.2 meters for a total of 15 + 14.8 + 3.2 = 33 meters. This means that the mean is 33 / 22 = 1.5 meters.

6 0
3 years ago
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Which of the following statements is true about the division expression 686.54 ÷ a? A. If a is a number greater than 686.54, the
borishaifa [10]

Answer:

D-- if a is a number between 0 and 1, the quotient will be greater

Step-by-step explanation:

5 0
3 years ago
Select the correct answer.<br> A and АВ:<br><br> Which matrix is matrix B?
Kruka [31]

Answer:

Option B

Step-by-step explanation:

Looking at the options, option B is correct because when multiplying it by matrix A, it yields the matrix AB as follows;

First row of A multiplied by first column of matrix in option D;

(1 × -1) + (0 × 0) + (0 × 0) = -1 which corresponds to the first number on the first row of Matrix AB

Since majority of matrix AB are zero, I will just prove the ones that are not zero.

Thus;

Second row of matrix A is multiplied by second column of matrix in option D;

(0 × 0) + (-1 × -1) + (0 × 0) = 1 which is same as 2nd number on second row in matrix AB

Lastly, third row of matrix A is multiplied by third column of matrix in option D;

(0 × 0) + (0 × 0) + (1 × -1) = -1 which is same as third number in third row in matrix AB

5 0
2 years ago
Simplify (3x-5x)+(5x+1)
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First do
3x + -5x = -2x
Then do
-2x + 5x = 3x
Lastly do
3x+1
6 0
3 years ago
Simplify (x2 16)(x2 16) = ?<br> a. x4 256<br> b. x4 32<br> c. x4 32<br> d. x4 256
vazorg [7]
A, and B look the same so you can choose, but the answer is <span>256<span>x4</span></span>
8 0
3 years ago
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