Answer:
- Addition expression: 9 + 3
- Solved: 12
Step-by-step explanation:
- 9 - (-3) = 9 + 3
- 9 + 3 = 12
I hope this helps!
Answer:
71 cents
Step-by-step explanation:
Answer:
PQ = 98.21
Step-by-step explanation:
PQ/23 = 47/11
PQ × 11
23 × 47
11PQ = 1081
11PQ/11 = 1081/11
PQ = 98.21
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Answer:
8.1 g/cm
3
Explanation:
Density is equal to mass divided by volume. You are given a mass of
64.7
grams. You can find the volume of the cube by doing height multiplied by width multiplied by depth.
Because all of the sides of a cube are the same length, the volume just ends up being
2
3
.
(
2 cm
)
3
=
8 cm
3
Now plug both of those numbers into your density equation
ρ
=
m
V
=
64.7 g
8 cm
3
=
8.1 g/cm
3
Step-by-step explanation: