Answer:
x > - 7
Step-by-step explanation:
Given
- 3x < 21
Divide both sides by - 3, reversing the symbol as a result of dividing by a negative quantity.
x > - 7
Answer:
1, 3, 9
Step-by-step explanation:
the nine can be divided by those three numbers and no more
Hello!
1. -4x2 + 8x + 32
-4(x2 - 2x - 8)
-4(x2 + 2x - 4x - 8)
-4(x(x + 2) - 4(x + 2))
-4(x + 2)(x - 4)
Answer A.
2. 2x2 + 16x + 30
2(x2 + 8x + 15)
2(x2 + 5x + 3x + 15)
2(x(x + 5) + 3(x + 5))
2(x + 5)(x + 3)
Answer C.
Answer:
36736
Step-by-step explanation:
793x+945y=793(7)+945(33)=5551+31185=36736
C and D
the volume ( V) of a pyramid is found using the formula
V = 
× area of base × height
calculating each of the volumes gives
(A) V = × 10.5 × 6 = 21 in³
(B) V = × 3.6 × 8 = 9.6 in³
(C) V = × 4.2 × 12 = 16,8 in³
(D) V = × 6 × 8.4 = 16.8 in³
C and D have equal volumes
