Answer:
the firtst part is 2 2
c11 = -1
c12 = 3
c21 = 3
c22 = -3
the next part is
d11 = 0
d12 = 6
d21 = 1
d22 = -4
Step-by-step explanation:
did it on edg 2020
Answer:
x=7
Step-by-step explanation:
The two triangles are congruent so the equation is
9x-15=7x-1
9x-7x=15-1
2x=14
x=7
Answer:
250 cm^3.
Step-by-step explanation:
Volume of the prism
= 12 * 5^2
= 300 cm^3.
Volume of the pyramid
= 1/3 * 25 * 6
= 50 cm^3
The volume of the space
= 300 - 50
250 cm^3.
Answer:
A) x = 15
Step-by-step explanation:
4x - 30 = 2x
subtract 2x from each side of the equation:
2x - 30 = 0
add 30 to each side:
2x = 30
x = 15