Answer:
76
Step-by-step explanation:
(88+72+44+x)/4=70
88+72+44+x=280
204+x=280
x=76
Therefore, Tammy needs to score a 76 on her last test to get at least an average of 70.
Since the shape is a square the sides are equal. Then we need to find x such that x * x = 169.
Sqrt(169) = 13
So x = 13
Answer:
60 time 10
Step-by-step explanation:
156.25 because a square has 4 sides so it would be 625/4 which equals to the answer 156.25
Answer:
Step-by-step explanation:
x²=1.96
x²-1.96=0
(x+1.4)(x-1.4)=0
x=1.4 and -1.4
