W² - 49 = 0
w² - 7² = -
(w-7)(w+7)=0
w -7=0 , or w + 7 =0
w=-7, w=7
Answer: -7, 7.
Answer:
2nd option
Step-by-step explanation:
Solve the parentheses first;
18 is 40% of all
all=x
percent means parts out of 100
40%=40/100=4/10=2/5
18 is 2/5 of all
18=2/5 of x
'of' means multiply
18=2/5 times x
18=2x/5
multiply both sides by 5
90=2x
divide both sides y 2
45=x
there were 45 apples in the stand
Answer:
The answer is C
Step-by-step explanation:
it just makes sence,and all the numbers are compatible with each other
Hoped it helped^^
Answer:
8.0 x 10^4
Step-by-step explanation: