Answer:
2.1
Step-by-step explanation:
Use the equation
Sum of elements = average x number of elements
sum = (6)(4)
sum = 24
Add up the numbers we know: 3.4 + 10.7 + 7.8 = 21.9
24 - 21.9 = 2.1
This means the fourth number is 2.1
Answer:
h=5/2
Step-by-step explanation:
Answer:
Step-by-step explanation:
2+8+3_5x1
3x-6≤9
3x≤15
x≤5
so the answer is x≤5
Answer:
6 hours
Step-by-step explanation:
420 ÷ 70 = 6. Divide the distance and speed to get the amount of time.