Answer:
Each family member gave $4
Step-by-step explanation:
(-44 - (-80))/9
36/9
4
Answer:
24 km
Step-by-step explanation:
Since each trip takes 1 km, we multiply 23 by 1 to get 23 km in total. We then add this onto the 1 km that she has already walked to get 24 km as our answer.
The unit rate would probably be 21 per 3.5
Answer:
6 meters
Step-by-step explanation:
Every 7 floors, it goes up by 22.4 meter intervals.
Let's count down,
the 7th floor would be 50.8 - 22.4, which is 28.4.
the 0th floor would be 28.4 - 22.4, which is 6.
Answer:
Q6. D
Q8. A
Step-by-step explanation:
Q6. In 40 trials, he flipped '2 heads and 1 tail' 16 times.
For 2 heads, probability= 16/40= 4/10
For 120 trials, number of times= 4/10 × 120= 48
Q8.

Answer is A because the inequality shows that x is equal or greater than 8 so the dot at 8 has to be coloured.
Note that we do not change the inequality sign unless we are dividing the whole thing by -1.