Answer:
Step-by-step explanation:
(x - 4)/2 = 5
x - 4 = 10
x = 14
(y - 10)/2= -8
y - 10 = -16
y = -6
(14, -6)
Answer:
cannot be factored
Step-by-step explanation:
The equation cannot be simplified so you have to use the quadratic formula
and you will get imaginary numbers from the formula
Answer:
23.5 is the answer
Step-by-step explanation:
X10 =235 so x=235÷10 = 23.5
Answer:
Step-by-step explanation:
7^8*7=
5764801 * 7= 40353607
A. 7^3*7^3= 343*343= 117649 <--- not the answer
B. 7^18/7^9= 40353607 <---- right answer
C. (7^3)^3= 343^3= 40353607 <------ right answer
D. 7^5+7^4= 16807+2401= 19208 <---- not the answer
E. 7^5*7^4= 16807*2401= 40353607 <---- right answer
Answer:A
Step-by-step explanation: A is 8d+d, and since d=1, 8d,+1d is equal to 9d