It will cost $90 and you will need 100 boards
D. 25% as there are 8 sections and two wanted outcomes this can be simplified into a 1/4 so 1/4=25%
The process is similar to (and easier* than) adding three 4-digit numbers. Add the numbers in each column.
The sum is ...
(2+1-3)x³ +(-4+6+2)x² +(6-8-4)x +(-3+12-7)
= 0x³ +4x² -6x +2
The sum is 4x² -6x +2
_____
* The process is easier because there are no "carry" operations from one column to another as there may be when adding multi-digit numbers.
Answer:
"Can't be determined"
Step-by-step explanation:
From the triangles given in the picture,
Given:
m∠A = m∠C
m∠B = m∠D
But for the congruence of these triangles third condition is not given.
Therefore, congruence of these triangles can not be determined.
So the answer is "Can't be determined"
Answer:
x = -20
Step-by-step explanation:
-⅗(15x - 30) = 198
Multiply each side by 5
-3(15x - 30) = 990
Distribute the -3
-45x + 90 = 990
Subtract 90 from each side
-45x = 900
Divide each side by -45
x = -20
<em>Check:
</em>
-⅗[15(-20) - 30] = 198
-⅗(-300 - 30) = 198
-⅗(-330) = 198
198 = 198
