Answer:

Step-by-step explanation:
1. take 10 times a and get 10a and put in the numerator spot of your answer
2. then do 15 times 20 which is 300 so add 300 to 10a in the numerator spot of your answer
3. multiple 20 times 10 which is 200 and make it your denominator of your answer
This method is called the butterfly method
Answer:
circumference= 37.68 cm
Area= 113.1 cm
Step-by-step explanation:
Circumference =2TTr
2*3.14*6= 37.68 cm
Area
A=TTr^2
3.14*6*6= 113cm
Answer:
60-12= 48 min. or .8 hours
Step-by-step explanation:
Answer:
c) 2(2y+1)
Step-by-step explanation:
This is because when the tables are together there can be 4 people at each table, plus 1 at either end. Whatever equation you have must have +2 in it, to account for the ends of the tables. The number of tables (y) must be multiplied by 4 because there are always 4 people per table. The number of tables is unknown so 4y must be in your equation.
2(2y+1) simplifies to 4y+2, which is the equation we want.
Answer:
i cannot see the photo clearly, srry i cannot help you:? but if there is anything involving school that i can help you with; i am here for you:)
Step-by-step explanation: