Answer:
175 ways
Step-by-step explanation:
5 balls are red, and 7 balls are blue making a total of 12 balls.
4 balls are drawn from the box,
1 ball is red and 3 balls are blue out of the 4 drawn from the box.
We have to choose 1 ball from 5 red balls and 3 blue balls from 7 blue balls.
Since the order is not essential we use combinations to find out
5C1 * 7C3= 5*35 = 175 ways
Answer:
3(n+7)-6=2n+10+n
Step-by-step explanation:
Answer:b
Step-by-step explanation:u have to add dthe diameter to the form number
Answer:
1 1/8 or 9/8
Step-by-step explanation:
5 1/2-4 3/8= 1/ 1/8
Answer:
180 ft
Step-by-step explanation:
The perimeter of a geometric figure is the sum of the lengths of its sides. Opposite sides of a rectangle are of equal length, so the perimeter can be figured as twice the sum of the length of adjacent sides:
2(60 ft + 30 ft) = 180 ft
Mrs. Chen needs 180 feet of fence.
