Answer:
it may be wrong as well
Step-by-step explanation:
I think the answer is option no.4 or5
Answer:
x = 15 cm
Step-by-step explanation:
Use Pythagorean thm:
9² + 12² = x²
81 + 144 = x²
225 = x²
√225 = √x²
15 = x
Hope this helped :)
Answer:
Step-by-step explanation:
so i plugged this into a graphing calculator.. maybe it's not fair to use technology :D
vertex (1,-9)
y intercept = -8
line of symmetry is x = 1
Answer:
The test statistic is -1.00
Step-by-step explanation:
Test statistic (Z) = (sample mean - population mean) ÷ sd/√n
sample mean = 38.8miles/gallon, population mean = 39miles/gallon, sd = 2.2miles/gallon, n = 120vans
Z = (38.8 - 39) ÷ 2.2/√120 = -0.2 ÷ 2.2/10.95 = -0.2 ÷ 0.20 = -1.00 (to 2 decimal places)
The answer is x=0
Step by step explanation:
X+5=5
X+5-5=5-5
X=0.
