Answer:
multiply them like you normally would and add up the decimal places, then place ur decimal.
Step-by-step explanation:
In order to add or subtract fractions,they must have the same denominator.
Change one of these fractions to have the same denominator as the other one,
and you'll be able to add them.
Answer:
The value of x is 2/3.
Step-by-step explanation:
The perimeter of a square is 4s.
Substitute the value and simplify.
4( 3x - 2 ) Distribute
12x - 8 In this case this is an equation
12x - 8 = 0 Add 8 on both sides
12x = 8 Isolate the variable by dividing 12 on both sides
x= 2/3
You must isolate the variable in order to solve equations with variables.
Isolating variable is basically when you divide, multiply, add, or subtract to put a variable on <em><u>ONLY </u></em>one side of the equation.
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Answer:
z³ subtract z⁹ gives you z⁶ but it's a negative right now so you would flip it and get 1 over z6
![v = \frac{1}{3} \pi {r}^{2} h \\ r = 8 \: cm \\ h = 15 \: cm](https://tex.z-dn.net/?f=v%20%3D%20%20%5Cfrac%7B1%7D%7B3%7D%20%5Cpi%20%7Br%7D%5E%7B2%7D%20h%20%5C%5C%20r%20%3D%208%20%5C%3A%20cm%20%5C%5C%20h%20%3D%2015%20%5C%3A%20cm)
From the diagram, we can see that the radius of the cone is 8cm and the height of the cone is 15cm. We then just plug these numbers into the formula and simplify:
![v = \frac{1}{3} \pi {r}^{2} h \\ v = \frac{1}{3} \pi {(8)}^{2} (15) \\ v = 320\pi](https://tex.z-dn.net/?f=v%20%3D%20%20%5Cfrac%7B1%7D%7B3%7D%20%5Cpi%20%7Br%7D%5E%7B2%7D%20h%20%5C%5C%20v%20%3D%20%20%5Cfrac%7B1%7D%7B3%7D%20%5Cpi%20%7B%288%29%7D%5E%7B2%7D%20%2815%29%20%5C%5C%20v%20%3D%20320%5Cpi)
The volume of the cone is approximately 1005.3096 cm^3. With 3 sig figs, this is 1010 cm^3.