MATHEMATICS HIGH SCHOOL

Find the sum of 56 + (-56)
Find the sum of -240 + 370
Find the sum of -5.7 + (-4.2)

Answers

Answer 1

Answer:

Answer:

0, 130, -9.9 I think

Step-by-step explanation:

Hope this helped!

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What multiples to be 12 but adds to be 7

Answers

4 and 3 multiplies to be 12 but adds to be 7
4 × 3 = 12
4 + 3 = 7

Find the product.

3y 2 z(2y 2 z + 4yz - y + z)

Answers

Answer: 48(y*z)^2 - 6z*y^2 - 6y*z^2

Step-by-step explanation: We want to find the product:

3y*2z*(2y*2z + 4yz - y - z)

First, distribute the product:

3y*2z*2y*2z + 3y*2z*4yz -*3y*2z*y - 3y*2z*z

now, let's simplify the equation:

(3*2*2*2)(y*z)^2 + (3*2*4)(y*z)^2 - (3*2)z*y^2 - (3*2)y*z^2

24(y*z)^2 + 24(y*z)^2 - 6z*y^2 - 6y*z^2

48(y*z)^2 - 6z*y^2 - 6y*z^2

If the equation you want to distribute is:

(3y^2z)*(2y^2z + 4yz - y - z)

the distribution is:

(3y^2z)´*(2y^2z) + (3y^2z)*4yz -(3y^2z)*y - (3y^2z)*z

6y^4z + 12y^(2z + 1)*z - 3y^(3z + 1) - (3y^2z)*z

3y^2z*(2y^4yz-y+z)

=6y^(4z)+12y^(1+2z)z-3y^(1+2z)+3zy^(2z)

What is the median of the data set?

{16, 15, 17, 19, 12, 11, 14, 14, 13, 11, 18, 15}

Answers

The median is the numeric value separating the higher half of a sample data set from the lower half. The median of a data set can be found by arranging all the values from lowest to highest value and picking the one in the middle. If there is an odd number of data values then the median will be the value in the middle. If there is an even number of data values the median is the mean of the two data values in the middle. For the data set 16, 15, 17, 19, 12, 11, 14, 14, 13, 11, 18, 15 the median is 14.5. It is the mean of 14 and 15 or, (14+15)/2 = 14.5.

The sides of a square are 3 2/7 inches long. What is the area of the square? A.) 9 4/7 square inches

B.) 3 4/7 square inches

C.) 3 4/49 square inches

D.) 9 4/49 square inches

Answers

If you would like to know what is the area of the square, you can calculate this using the following steps:

the area = 3 2/7 inches * 3 2/7 inches = 23/7 * 23/7 = 529/49 =

Tell with proof that this is even or odd:-
(i)2.35
(ii)5.333333..............