Answer:
15%
Step-by-step explanation:
Given that,
Initial earning is $20 for each lawn and this summer she raised her price to $23 per lawn. We need to find the percent increase of peggy's charges. It can be given by :
Putting the values in above formula, we get :
So, there is 15% increase in the peggy's charges.
Answer:
Step-by-step explanation:
x=√(5+2√6)/(5-2√6)
x²(x-10)²=1
substitute the value of x in the equation
[√(5+2√6)/(5-2√6)]²(√(5+2√6)/(5-2√6) -10)²=
solve :
(49+20√6)(49-20√6)=1 multiply
1=1 proved
Answer:
11.904%
Step-by-step explanation:
50/420=0.11904
To convert a decimal into a percent move the decimal point 2 places to the left.
11.904%
Answer:
the answer is C
Step-by-step explanation:
hope this helps you
Answer:
4
Step-by-step explanation:
-2(+3 + -4 + -8 + +7)
= (-2)(3) + (-2)(-4) + (-2)(-8) + (-2)(7) . . . . . . note that 2·8 = 16, not 18
= -6 +8 +16 -14
= 2 +16 -14
= 18 -14
= 4