The difference of squares method:
a² - b² = (a-b ) (a+b)
54² - 46² = (54+46) · ( 54 + 46 )= 100 · 8 = 800
Answer: B)
Answer:
42 square yards
Step-by-step explanation:
T.S.A of cube
where l = 7yd
thus, the surface area of cube is 42 square yards
Answer:
Step-by-step explanation:
If u got two negative number such as (-6)+(-7) your answer will be positive 13.
If u got one negative number and one positive number like (-10)-(5) the answer will be negative like -5
First, you'd need to transform the equation into y = mx + b
To do this, set up the original equation and solve for y.
x + 5 y = -5
Subtract x from both sides.
5y = -5 - x
Now, divide by 5 into both sides to leave y on one side.
y = -1 -x/5
With this new equation, just shift the numbers on the right of y to create a y = mx + b equation
y = -x/5 - 1
Therefore, you're y intercept is -1 and you're slope is -x/5.
Hope this helps!
-0.2 you divide 15 by 3 and get .2 but it indicates a weak positive correlation so it will become negative
