Answer:
Step-by-step explanation:
Answer: 7x + 14
Step-by-step explanation:
5x + 2(x + 7)
First, we use distributive property to distribute the 2 to the x and the 7. We're left with this expression:
5x + 2x + 14
We can combine 5x and 2x to get 7x
7x + 14
We cannot do anything else with this expression and it is thus is simplest form.
Answer:
71°
Step-by-step explanation:
The temperature had to be at least 71° when the heater quit to be able to lose 4° and still be at least 67° when the heater is repaired.
Question is...how did someone know that the heater had failed?
Answer:
No because one is negative and the other one is positive
Step-by-step explanation:
Density is calculated by mass divided by volume.
This would be 60/24 (60 grams mass divided by 24 cm^3 volume)
60/24 = 2.5
This means the answer is B. 2.5 g/cm^3
