Answer:
31/40
Step-by-step explanation:
Find a common denominator
2/5= 16/40
3/8= 15/40
16/40+15/40= 31/40
The square root of 81 is 9, this can be proven by squaring 9, which's result is 81.
2(x+3) = 7
2x + 6 = 7
2x = 1
x = 1/2
Answer:
c
Step-by-step explanation:
Richard Travel 40 feet on the zip line in 1 sec
The diagram is missing and hence the diagram.is shown below
Distance is the total movement of an object without any regard to direction.
A coordinate plane is a two-dimensional plane formed by the intersection of two number lines. One of these number lines is a horizontal number line called the x-axis and the other number line is a vertical number line called the y-axis
According to given Diagram
120 - 80 = 40 feet
On the Zip line
80-40=40
So the richard travels 40 feet on the zip line in 1 sec
Learn more about co-ordinate plane here
brainly.com/question/13854649
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