Answer:
-2(x^2 - x - 1).
Step-by-step explanation:
3x - 2x^2 - x + 2
= 2x - 2x^2 + 2
= -2(x^2 - x - 1)
1.
11 16
— X — = 44
4 1
Answer to number 1. —- 44 cups.
2.
880 yards is half of 1,760. So, if 1,760 yards is 1 mile then 880 yards (1/2) is .5 mile.
Answer to number 2. —- 0.5 mile.
3.
36 7
— X — =84
1 3
Answer to number 3. —- 84 inches.
ANSWER:
1. 44 cups
2. 0.5 mile
3.84 inches
Hope this helped you understand you how to do this. Have a great day. A thank you and (or) brainliest is always appreciated. (Optional....) Goodbye!
Answer:
45.8
Step-by-step explanation:
We need to find the surface area for this entire figure!
We can see that this is a pyramid here - we must find the area of the 3 triangles and the base triangle at the bottom.
The 3 triangles building up the pyramid are all equal to each other.
To find the area of a triangle, use 

Round to the nearest tenth: 45.75 -> 45.8
Answer:
x=4
Step-by-step explanation:
4x-3=x+9
4x-x-3=9
4x-x=9+3
3x=9+3
3x=12
3/3
12/3=4
x=4
Answer:
Just try to make it make sense to you.
Step-by-step explanation:
For instance, a + 1 = 5
a = 4
We know that we should switch the terms as when it comes to normal numbers ,10 + 1 = 11 , 10 = 11-1. Therefore, the only trick is not to memorise, but try to understand the logic behind it. Hope this helps in some way???