Answer:
Hi,
Step-by-step explanation:
The playground 's area is the difference of 2 squares:
20²-10²=(20+10)*(20-10)=30*10=300 (ft²)
Answer:
It's choice B, 5, 8, 11
Step-by-step explanation:
Answer:
10 for 9$
Step-by-step explanation:
because say the each ball cpsts a dollar, and the total for 3 would be 3$ for the cost of 10 would be 9 so its less but more mo ey spent
Answer:
Option A. x=30,y=42
Step-by-step explanation:
we know that
If two triangles are similar, then the ratio of its corresponding sides is proportional and its corresponding angles are congruent
In this problem
Triangles ABC and ZYX have three congruent interior angles
therefore
Triangles are similar
step 1
Find the value of x

substitute the values


step 2
Find the value of y

substitute the values


Answer:
1) x represents the # of cranes
3x represents the # of cranes * 3 minutes
10 represents the time the centerpiece took
30 is the time limit
2) x
Btw, i'm not sure which way the signs go since I learned this a while ago.
Step-by-step explanation:
Good Luck!!!