Answer:
x²
Step-by-step explanation:
Given: 2x(2x - 3) - 3x(x - 2)
Distributive Property: a(b + c) = ab + ac
1. Distribute
⇒ 2x(2x) + 2x(-3) + -3x(x) + -3x(-2)
⇒ 4x² - 6x - 3x² + 6x
2. Combine like terms
⇒ 4x² - 3x² - 6x + 6x
⇒ x²
Learn more about the distributive property here:
brainly.com/question/27543580
brainly.com/question/27445861
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Answer:
D. 9
Step-by-step explanation:
We know that cos theta = adjacent / hypotenuse
cos 60 = x /18
Multiply each side by 18
18 cos 60 = x/18 * 18
18 cos 60 =x
9 =x
Answer:
0.84 m
The side of the cube with the surface area of 240 square meters is <u>0.84 meters</u> longer than the cube with the surface area of 180 square meters.
Step-by-step explanation:
The correct question must be:
The formula gives the length of the side, s, of a cube with the surface area, SA. How much longer is the side of the cube with a surface area of 240 square meters than a cube with the surface area of 180 square meters ?
Given formula to calculate side of a cube:
where is the side of the cube and is the surface area of the cube.
For a cube with surface area of 240 square meters, the side can be calculated as:
For a cube with surface area of 180 square meters, the side can be calculated as:
<em>The difference in the sides of the cubes is</em> =
Thus, the side of the cube with the surface area of 240 square meters is 0.84 meters longer than the cube with the surface area of 180 square meters.