Answer:

Step-by-step explanation:
Perimeter of the pentagon = 20.5 cm
Length of 4 sides = 
Length of the other side = 2.1 cm
Perimeter of the pentagon will be

The value of
is
.
Since there are 1000 milliliters in a liter, that means that there are 33.8/1000 fluid ouncers per milliliter. That means that each 200 mil bottle is 6.76 fluid ounces or 33.8/1000*200. 45/6.76 = 6.66 but you have to round up to a whole number of bottles since you can buy 2/3 of a bottle which makes your answer 7 bottles.
Using the Pythagorean theorem we can solve for x.
x^2 + 6^2 = 10^2
Simplify:
x^2 + 36 = 100
Subtract 36 from both sides:
x^2 = 64
x = √64
x = 8
Answer: d = 6
Step-by-step explanation:
x^2 + y^2 = r^2
So r = 3 and d will be 2 x r = 6
Step 1: Add 9 to both sides.<span><span><span><span><span>−<span>4x</span></span>+<span>9y</span></span>−9</span>+9</span>=<span>0+9</span></span><span><span><span>−<span>4x</span></span>+<span>9y</span></span>=9</span>Step 2: Add -9y to both sides.<span><span><span><span>−<span>4x</span></span>+<span>9y</span></span>+<span>−<span>9y</span></span></span>=<span>9+<span>−<span>9y</span></span></span></span><span><span>−<span>4x</span></span>=<span><span>−<span>9y</span></span>+9</span></span>Step 3: Divide both sides by -4.<span><span><span>−<span>4x</span></span><span>−4</span></span>=<span><span><span>−<span>9y</span></span>+9</span><span>−4</span></span></span><span>x=<span><span><span>94</span>y</span>+<span><span>−9</span>4</span></span></span>Answer:<span>x=<span><span><span>94</span>y</span>+<span><span>−9</span><span>4</span></span></span></span>