Answer:
The given expression is equivalent to 3(2^(3/8))x.
Step-by-step explanation:
The given expression (3 root 8^1/4 x) can be written as:
3√(8^(1/4))x
we know that 2^3 = 8
= 3√(2^(3/4))x
We know that √x = (x)^(1/2)
= 3(2^((3/4)(1/2))x
Powers multiply with each other, 3*1/4*2 = 3/8
= 3(2^(3/8))x
Answer: 160 miles
Step-by-step explanation:
Given that :
Miles ran = r ; at the speed of 5 miles per hour
Miles biked = b ; at the speed of 10 miles per hour
Total miles biked and ran = 200 miles
If she biked for twice as many hours as she ran
Let hours
Total number of miles Morgan biked
r + b = 200 - - - (1)
From speed = distance / time
Hours biked = distance / speed = b / 10
Hours ran = distance /speed = r / 5
b/ 10 = 2 (r/5)
b / 10 = 2r / 5
Cross multiply
5b = 20r
b = 4r
Substitute into (1)
r + b = 200
r + 4r = 200
5r = 200
r = 200/5
r = 40 miles
Total number of Miles biked ;
r + b = 200
40 + b = 200
b = 200 - 40
b = 160 miles
Answer:
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Step-by-step explanation:
Answer:
12
Step-by-step explanation:
because ratio 2 to 1 = all =3 if Richard got 12 more than stephan that is the one more so In 2 to 1/1=12 so stephan gets 12
Answer:
2x^2+x^2=3x^2
Step-by-step explanation: