For 9, the answer would be -4
And for 10, the answer should be 47°
Answer:
4 1/2
Step-by-step explanation:
x/6 = 15/20
Cross multiply
X x 20 = 6 x 15
20x = 90
Divide both sides by 20
x = 90/20
x = 9/2
x = 4 1/2
Answer:
-2 and 9
Step-by-step explanation:
Answer:
8,999,999
Step-by-step explanation:
The sum of 3 consecutive integers will be 3 times the middle one. So, the cube will have factors of 3 and 100,000. The cube must have additional factors of 3² and 10, so will be 90×3×100,000 = 27,000,000.
Since the middle number is 9,000,000, the smallest number is 1 less:
8,999,999
Answer:
On average, the project takes 4 weeks to complete.
Step-by-step explanation:
We have these following probabilities:
25% probability that the activity takes 2 weeks.
50% probability that the activity takes 4 weeks.
25% probability that the activity takes 6 weeks.
How long does the project now take to complete (on average)
We multiply each duration by it's probability.
0.25*2 + 0.5*4 + 0.25*6 = 4
On average, the project takes 4 weeks to complete.
