Answer:
=10x3−5x2−3
Step-by-step explanation:
Write the problem as a mathematical expression.
-3+10x^3-5x^2
To write a polynomial in standard form, simplify and then arrange the terms in descending order.
ax^2+bx+c
Move −
3
.
Since all sides are equal in a pentagon, and there are 5 sides; 60/5 is equal is 12 so each side is 12 feet.
Answer:
x^2 + 25
Step-by-step explanation:
7x + 4y = -8 (1)
-8x - 5y = 13 (2)
(2) + (1)
(-8x-5y)+(7x+4y) = (13)+(-8)
-8x-5y+7x+4y = 5
-x-y = 5 (3)
(3)x4
-4x-4y = 20 (4)
(4) + (1)
(-4x-4y)+(7x+4y) = (20)+(-8)
-4x-4y+7x+4y = 12
3x = 12
x = 4
Sub x=4 into (4)
-4x-4y = 20
-4(4)-4y = 20
-4y = 36
y = -9
Therefore x=4, y=-9.
Answer:
The answer is B. 10.5 feet
Step-by-step explanation:
In every one yard there's three feet.
3.5 X 3 = 10.5
Hope this helps :)