Step-by-step explanation:
1. 6(5)^2-1/(5)^2 = 149/25
2. 6(-5)^2-1/25 = -150/25
3. 6x^2-2/x^2
Answer:
It's 300
Step-by-step explanation:
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1. 8^3 * 8^2, 8^5, and (2^3)^5
2. 6^9, and 6^5 x 6^4
Answer:
B) -12.4 + 20.6s
Step-by-step explanation:
width = (3.1s - 1.6) cm
Length = (7.2s - 4.6) cm
Perimeter of rectangle = 2* (length +width)
= 2 *(7.2s - 4.6 + 3.1s - 1.6) {add like terms}
= 2* (<u>7.2s + 3.1s</u> - 4.6 - 1.6)
= 2*( 10.3s - 6.2) {distributive property}
= 2*10.3s - 2*6.2
= 20.6s - 12.4
Answer:
-13
Step-by-step explanation:
![- 18 - ( - 5) \\ \\ = - 18 + 5 \\ \\ = - 13](https://tex.z-dn.net/?f=-%2018%20-%20%28%20-%205%29%20%5C%5C%20%20%5C%5C%20%20%3D%20%20-%2018%20%2B%205%20%5C%5C%20%20%5C%5C%20%20%3D%20%20%20%20-%2013)