3. The arithmetic mean of 9, 11, 13, x and 7 is 10. What is the value of x?

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)

squares, rhombus, rectangles

1/3 + 1/5 = 8/15.

step-by-step explanation:

hope it

answer:

c) the x-coordinate of the center of the circle increases by 3