Answer:
x = 6
Step-by-step explanation:
2x + 5 = 8x - 13 place like terms in the same side of the equation
5 + 13 = 8x - 2x add like terms
18 = 6x
6 = x
Answer:
20 km/h
Step-by-step explanation:
Zoey rode a total of 120 km (there and back) in a total time of 6 hours (=2.5+3.5). Her average speed is given by ...
speed = distance/time = (120 km)/(6 h) = 20 km/h
Slope of the line that passes through the two point is -2/7
Okay I am not 100% sure because that is an extremely confusing question. But here is what I got.
(A) 2c² = 2bc + ac/2 Given
(B) 4c² = 2bc + ac Multiplication and Distribution
(C) 4c = 4b + a Division and Distribution
(D) 4c - a + 4b Subtraction
(E) 4b = 4c - a Symmetric
Answer:
x =90
Step-by-step explanation:
Cot 1/2x-1=0
Add 1 to both sides
Cot 1/2x = 0+1
Cot 1/2x = 1
1/tan1/2x = 1
Tan 1/2x = 1
1/2x = arctan1
1/2x =45
x = 45×2
x = 90
Hence the value of x is 90
