According to Another brainly user, this is the answer
(-1)^2.x+3= -x+7
x+3= -x+7
2x=4
x=2
Hope it helps!!!
Answer:
I think it's d
Step-by-step explanation: Because they have equal sides and length
<span>(y + 9)(y - 2) = 0 would be the correct answer .</span>
The part of the quadratic formula that dictates whether the function is factorable or not is B. b^2 - 4ac. This determines the number of real, imaginary, negative and positive roots.
In the equation <span>2x^2 + 7x + 3,
we use the quadratic formula
x = -b +- sqrt (b2 -4ac) /2a = -7 +- </span><span>sqrt (49 -24) /4
the answers are x1 =-0.5 and x2 = -3.</span>
Answer:
84,375 m^2
Step-by-step explanation:
We need to find the surface area of the pyramid. The pyramid can be divided into 4 triangles and one square (the bottom).
Area of a triangle is 1/2*b*h where b is the base of the triangle and h is the height.
Area of a square is length times width.
Total area = 
