Answer:
A. He is right because 5 x 7 = 35 and 7 x 7 = 49. Since they are both multiplied by 7, they are equal.
Step-by-step explanation:
Explained in the answer.
Answer:
52.4.
Step-by-step explanation:
This is the difference of 2 squares:
a^2 - b^2 = (a - b)(a + b)
(7.62^2 - (2.38)^2
= (7.62 - 2.38)(7.62 + 2.38)
= 5.24 * 10
= 52.4
Answer:
<h2>3 in</h2>
Step-by-step explanation:
The formula of a volume of a cube:
a - length of an edge
We have V = 27 in³. Substitute:
![a^3=27\to a=\sqrt[3]{27}\\\\a=3\ in](https://tex.z-dn.net/?f=a%5E3%3D27%5Cto%20a%3D%5Csqrt%5B3%5D%7B27%7D%5C%5C%5C%5Ca%3D3%5C%20in)
Answer: 5
Step-by-step explanation: There 2 pizza boxes cut into 8 so that make it 16 slices 16-3-4-1-3= 5.
6(y+2) = 4(z+9)
6y + 12 = 4z + 36
6y = 4z + 24
y = (4z + 24) / 6
y = (2z + 12) / 3
answer
C. y = (2z + 12)/3
