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Feliz [49]
3 years ago
7

Simplify (12y^7/18y^-3) assume Y=0

Mathematics
1 answer:
iren2701 [21]3 years ago
3 0
\dfrac{12y^7}{18y^{-3}} = \dfrac{2y^{7+3}}{3} = \dfrac{2y^{10}}{3} = \dfrac{2}{3}y^{10}
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a rectangle is three times as long as it is wide, its perimeter is 36 centimeters. find the length of each side?
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Find the value of x. Round to the<br> nearest tenth.<br> 15.6 cm<br> 8.8 cm<br> x = [ ? ]cm
kenny6666 [7]

Answer:

x = 4.1 cm

Step-by-step explanation:

To find x, apply pythagorean theorem, which is given as:

c² = b² + a²

Where,

c = 8.8 cm

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a = x

Plug in the values

8.8² = 7.8² + x²

77.44 = 60.84 + x²

Subtract both sides by 60.84

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7 less than the product of 5 and a number
mote1985 [20]

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4 years ago
Read 2 more answers
Will give brainliest
ehidna [41]

Answer:

25.047 or roughly 25.

Step-by-step explanation:

I solved it wrong the first time then i double check with wolframalpha and got the correct number.

We know that the area of the tile is 18 \sqrt{3} and it makes a triangle, we also know the base and height. In this case the base is 2\sqrt{3}^{x/12} and the height is also given which is \sqrt{3}^{\frac{x}{6} }.

Area of triangle = \frac{bh}{2},

substituting we will end up with  18 \sqrt{3}  =( 2\sqrt{3}^{x/12}  *  \sqrt{3}^{\frac{x}{6} }) / 2

Here is the tricky part \sqrt{x} = x^{\frac{1}{2} }, i totally forgot about that lol.

Simplifying: we will get  18 \sqrt{3} = 3^{\frac{x}{8} }

Now, in order to find the x, we will need to take the log of both sides.

log18\sqrt{3}  = \frac{x}{8} log3

Solving for x we end up getting:

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Good question bro, take it easy.

5 0
3 years ago
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