Answer:
110x -200y
Step-by-step explanation:
10(x - 20y) + 100x
Distribute
10x-200y +100x
Combine like terms
110x -200y
By two opposite rays.
The explanation is t<span>he straight </span>angle<span> is the only type of </span>angle formed by two opposite rays<span>. All other </span>angles formed by two rays<span> are less than </span>180<span> degrees. Acute </span>angles<span> are between zero and 90 degrees. A right </span>angle<span>, with one </span>ray<span> perpendicular to another, is 90 degrees.
Hope it helped! :)</span>
Answer:
a² + 2ab + b²
Explanation:
⇒ (a + b)²
⇒ (a + b)(a + b)
[apply distributive method: (a + b) (c + d) = ac + ad + bc + bd]
⇒ a² + ab + ab + b²
⇒ a² + 2ab + b²
Answer:
x ≤ 16 and x ≥ -2
Step-by-step explanation:
3 |x-7| ≤ 27
• divide both sides by 3:
|x-7| ≤ 9
• first assume the positive case of the absolute value:
x-7 ≤ 9
• add 7 to both sides:
x ≤ 16
• Now, go back to the absolute value and assume the negative case.
-(x-7) ≤ 9
-x+7 ≤ 9
• subtract 7 from both sides:
-x ≤ 2
• divide each side by -1 and flip the inequality sign:
x ≥ -2
Multiply the constants. Multiply the variables according to the rules of exponents.
