9x² - 42x + 49 is a perfect square in that (3x-7)² is the factored version.
if the square has an area of 64square meters the value of x would be 5.
(3x - 7)² = 64 (get the square root of each side)
√(3x - 7)² = √64
3x - 7 = 8 (add 7 to both sides)
3x = 15 (divide both sides by 3)
x = 5
Answer:
its SAS
Step-by-step explanation:
As S stand for side A for angle
so side angle side gives SAS
Answer:
1
Step-by-step explanation:
5m + 9n
5(-7) + 9(4)
-35 + 36
1
Answer:
It would intercept the y-axis at y = -11
Step-by-step explanation:
Here is the work
Sub
105=700*0.05*t
105=35t
divide both sides by 35
3=t
t=3