Answer:
66.96
Step-by-step explanation:
Furlong = 1/8 mile
Fortnight = 14 days
Day = 24 hours
If the speed limit is 180,000 furlongs per fortnight, converting the units from furlongs per fortnight to miles per hour:
![V=180000\frac{furlong}{fortnight}*\frac{1\ mile}{8\ furlong}*\frac{1\ fortnight}{14\ days}*\frac{1\ day}{24\ hours} \\V=66.96\ mph](https://tex.z-dn.net/?f=V%3D180000%5Cfrac%7Bfurlong%7D%7Bfortnight%7D%2A%5Cfrac%7B1%5C%20mile%7D%7B8%5C%20furlong%7D%2A%5Cfrac%7B1%5C%20fortnight%7D%7B14%5C%20days%7D%2A%5Cfrac%7B1%5C%20day%7D%7B24%5C%20hours%7D%20%20%5C%5CV%3D66.96%5C%20mph)
The speed limit on this exotic land in 66.96 miles per hour.
Answer:
-6x + 15 = - 69 which x = 14
Step-by-step explanation:
You cannot solve this equation. There is no equal sign anywhere. Either you mean
-6x = 15 in which case the answer is
-6x/-6 = 15/-6
x = - 2 1/2 or x= - 2.5
or you mean that you use the distributive property
- 3(2x + 5)
You may have left something out of this.
-6x + 15 = - 69
You can do it now that you have the complete equation. But you need the entire equation before you can answer the question.
Subtract - 15 from both sides.
-6x + 15 - 15 = -69 - 15
-6x = - 84
Divide by - 6
-6x/-6 = - 84/-6
x = 14
But what you want is
-6x + 15
-6*14 + 15
-84 + 15
-69
-6x + 15 = - 69
when x = 14 which is usually what you are asked.
Answer:
x=-7
Step-by-step explanation:
Since you are solving for x, you need to work backwards. Add 2 to both sides: -2 and 2 cancel out, and 19 plus 2 is 21. Isolate the x by dividing both sides by -3. -3 cancels out, and 21 divided by -3 is -7.
Yes. Numbers that can be expressed as a fraction are rational