N=5
Since 6n and 3n have the same variables you need to subtract them. So 6n-3n=3n. Now you have 3n=15. To get n by it’s self you need to divide 3 by 15. 3 divided by 15 is 5. This means that n=5. Hope this helps!!
<span>a. zero Hope this helps.</span>
Step-by-step explanation:
<h2>
Sum of two complementary angle is 90°</h2><h2 /><h2>
so. </h2><h2>
<R+<S =90°</h2><h2>
12x-3+7x-2=90°</h2><h2>
19x-5=90°</h2><h2>
19x=95°</h2><h2>
X= 5</h2>
<h2>
<R= 60-3=57°</h2>
Answer:
578x gallons
Step-by-step explanation:
In order to find that we must have the rate at which fuel is consumed in travelling single mile.
If the rate of consumption of fuel is given as x gal per mile
The number of gallons consumed in 578 miles will be = 578x gallons
The answer is 7, 2(7x5) + 2(4x7) + 2(5x4) = 166
