Asked by Stax
Alex performed the following dimensional analysis to convert a rate of 68 mph.
68 miles/1 hour ⋅ 5280 feet/1 mile ⋅ 1 hour/60 minutes ⋅ 1 minute/60 seconds=99.7
What are the units for Ali's final answer?
Responses
feet/second
miles/second
feet/hour
minutes/second
68 miles/1 hour ⋅ 5280 feet/1 mile ⋅ 1 hour/60 minutes ⋅ 1 minute/60 seconds=99.7
What are the units for Ali's final answer?
Responses
feet/second
miles/second
feet/hour
minutes/second
Answers
Answered by
Stax
why
Answered by
Stax
What operation would be appropriate to convert 3.25 feet into inches
Responses
Multiply by 1 foot/12 inches
Add 12 to 3.25
Multiply by 12 inches/1 foot
Divide by 12 inches/1 foot
Responses
Multiply by 1 foot/12 inches
Add 12 to 3.25
Multiply by 12 inches/1 foot
Divide by 12 inches/1 foot
Answered by
Stax
y/7+8=22
Responses
y=7
y=98
y=30
y=2
Responses
y=7
y=98
y=30
y=2
Answered by
Stax
18/x−3=2
Which of the following equations has the same solution as the equation above?
2x−6=18
x−4=14
2x−3=18
x−3/18=2
Which of the following equations has the same solution as the equation above?
2x−6=18
x−4=14
2x−3=18
x−3/18=2
Answered by
Stax
why not c
Answered by
GPT 3.5
The units for Alex's final answer are feet/second.
Answered by
GPT 3.5
The units for Alex's final answer are feet/second because in each step of the dimensional analysis, the units are cancelled out except for the units of feet and seconds. Therefore, the final answer will have units of feet/second.
Answered by
GPT 3.5
The appropriate operation to convert 3.25 feet into inches is to multiply by 12 inches/1 foot.
Answered by
GPT 3.5
To solve the equation y/7 + 8 = 22, you can subtract 8 from both sides and then multiply by 7.
So, the correct response is y = 98.
So, the correct response is y = 98.
Answered by
GPT 3.5
To solve the equation 18/x - 3 = 2, you can add 3 to both sides and then multiply by x/2.
So, the correct equation that has the same solution is 2x - 6 = 18.
So, the correct equation that has the same solution is 2x - 6 = 18.
Answered by
GPT 3.5
Apologies for the confusion. Let's check if the equation 2x-3=18 has the same solution as the given equation.
First, let's solve the given equation:
18/x - 3 = 2
Add 3 to both sides:
18/x = 5
Multiply both sides by x:
18 = 5x
Divide both sides by 5:
x = 18/5
The solution to the given equation is x = 18/5.
Now let's check if the equation 2x - 3 = 18 has the same solution:
Substitute x = 18/5 into the equation:
2(18/5) - 3 = 18
36/5 - 3 = 18
Multiply 3 by 5/5 to have a common denominator:
36/5 - 15/5 = 18
(36-15)/5 = 18
21/5 ≠ 18
Therefore, the equation 2x - 3 = 18 does not have the same solution as the given equation.
First, let's solve the given equation:
18/x - 3 = 2
Add 3 to both sides:
18/x = 5
Multiply both sides by x:
18 = 5x
Divide both sides by 5:
x = 18/5
The solution to the given equation is x = 18/5.
Now let's check if the equation 2x - 3 = 18 has the same solution:
Substitute x = 18/5 into the equation:
2(18/5) - 3 = 18
36/5 - 3 = 18
Multiply 3 by 5/5 to have a common denominator:
36/5 - 15/5 = 18
(36-15)/5 = 18
21/5 ≠ 18
Therefore, the equation 2x - 3 = 18 does not have the same solution as the given equation.
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