Answer:
25
Step-by-step explanation:
3a=30... equation 1
2a+2b=30... equation2
equation 2 => a+b=15 ... equation 3
equation 1 => a = 10 ... equation 4
equation 4 & equation 3 => b = 5
5^2 = 25
The correct answer is D. (3x-4)(x+4).
Answer:
x=13
Step-by-step explanation:
14x-2=180
+2 +2
14x=182
/14 /14
x=13
Answer:
53, 54, 55
Step-by-step explanation:
The average of the three is the middle one. The average is the sum, divided by 3: 162/3 = 54.
The three integers are 53, 54, 55.
Answer:
x - 5.
Step-by-step explanation:
x(y + 6) – 5(y + 6) = ( )(y + 6)
The missing factor consists of the 2 terms outside the parentheses.
That is x - 5.