Set the length of the base as x, the two equal sides are then 4x each, so the perimeter is x+4x+4x=9x
Answer:
A- 15-5 is the same
Step-by-step explanation:
15 + (3-8)
15 + (-5)
15-5
Answer:
y+30
Step-by-step explanation:
the sum of the numbers is 15y
the new sum after increase each number by 30 is 15y+450
the new mean 15y+450/15
= y+30
Answer:
10
Step-by-step explanation:
Answer:
78.5÷3.14=25
56.272×41.2=2318.4064
429×338×712=103241424
447÷513=0.8713450292
Step-by-step explanation:
hope it will help!
