Answer:
It will take them 3.43 hours.
Step-by-step explanation:
Let T denote the total cookies that need to be cocked. Observe that:
- If Rosanne finishes the cookies in 6 hours, that means that she can make
cookies per hour. - If Dorothy finishes the cookies in 8 hours, that means that she can make
cookies per hour.
Then, by 1) and 2), if they work together would we able to make
cookies per hour.
Therefore, in order to finish the T cookies they will need 
Answer: 6 inches.
Step-by-step explanation:
1. You must use the formula for calculate the area of a circle, which is shown below:
2. You know the area of the circle, therefore, you can solve for the radius, as following:
3. Now, you must substitute the value of the area into the equation above. Then, you obtain the following result:
Answer:
$600
Step-by-step explanation:
400*1.5=600
Answer:
A) 1/9, 3, 27
Step-by-step explanation:
i think you mean 3^x (and not 3x).
because otherwise none of the answer options withdraw makes any sense.
3^-2 = 1/(3²) = 1/9
3¹ = 3
3³ = 27
Answer:
100
Step-by-step explanation:
