Answer:
x= √10 and x= -√10
Step-by-step explanation:
first look to isolate the term with the variable on one side
-5 +5 -2x² = -5 -15; subtract 5 from both sides(inverse of addition)
-2x² = -20; divide both sides by -2 (inverse of multiplication)
x² = 10; square root both sides (the inverse of raising to power of 2)
√x² =√10
x =±√10
Answer:
672
Step-by-step explanation:
Okay so, the surface area of a figure is just all the areas of the faces added together. The front face ( 9x16 ) would be 144. The back face would be 12x9 or 109. The base would be 20x9 or 180. Now, this is where it might get tricky. The triangles will be 12x20x0.5 or 1/2. The answer for that would be 120. Now since there are two, multiply the 120 by two. ( Technically, since there are two of the same triangles you would not need to multiply by 0.5, but just to be safe i'll do it here. ) Finally, add all the areas together. The final answer is 672. Hope this helps!
66 and 2/3 is equal to 66.75%......multiply 300x0.6675 to get your answer of 200.25. Subtract 200.25 from 300 and you have your answer
Answer:
I kinda forgot how to do ratios but i think it would be 12 and 5
Step-by-step explanation
Jake Jeanne
36 15
<em>12</em> <em>5</em>
Answer:
Step-by-step explanation:
8x+14=2x=50
6X+14=50
6X=36
X=6
2(6)+50
12+50
Angle B equals 62