Answer:
Two solutions
Step-by-step explanation:
x^2-x=1
plug into the discrimiant fomurla
The asnwer ends up being 5
which is positive, meaning that the discriminant has two solutions
Postitive number = Two solutions
The answer is 0 = One solution
Negative number = No solutions
:)
Answer: The price of item is $495.
Step-by-step explanation:
Since we have given that
Amount that Sara have = $90
Amount that Rachel have = $405
If they combine their money they will have enough to buy item.
So, Price of item would be
Amount that Sara have + Amount that Rachel have
Hence, the price of item is $495.
Answer:
Step-by-step explanation:
Y
21 students; 3/4 ; Possible explanation: 75% corresponds to 21 students.
So, 21 students met their reading goal. The fraction 75/100 represents 75%.
Therefore, 75/100, or 3/4, of 28 students met their reading goal.
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Answer:
Surface area: 18,144m
Volume: 139,968m³
Step-by-step explanation:
Surface area:
72x72 = 5184m on bottom, as well as top
5184+5184= 10368
27x72 for side length = 1944
1944 x 4 sides = 7776
7776+10368 = 18,144m surface area
Volume:
72x72x27 = 139,968m³
