Answer:
x=5.5
Step-by-step explanation:
We can solve this equation by using the various properties and PEMDAS.
First, we would want to subtract 18 on both sides, to even out the equation.
The result is -7x=-38.5
Now we can isolate the x by dividing both sides by -7.
-38/-7=5.5
Thus, x=5.5
Hope this helps!
Answer:3.25 gallons
Step-by-step explanation:48 miles÷2 gallons =24 miles
Every 24 miles equals 1 gallon
So 78 ÷ 24= 3.25
3.25 gallons
14÷3= 4.6666666...
so 4 cookies for each one... with 2 cookies left
Step-by-step explanation:
sin 75°: Now using the formula for the sine of the sum of 2 angles, sin(A + B) = sin A cos B + cos A sin B, we can find the sine of (45° + 30°) to give sine of 75 degrees.
