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liq [111]
3 years ago
15

Which ordered pair makes the equation true 2x - 5y = -10

Mathematics
1 answer:
tino4ka555 [31]3 years ago
7 0

With only one equation and no answer choices, there are an infinite number of possible values for x and y to make the equation true.

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What is the volume of the prism?
mezya [45]

Answer:

40 \frac{5}{8} cm^{3}

Step-by-step explanation:

The figure is a rectangular prism, so the formula would be Volume = length x width x height.

length =  6 \frac{1}{2} cm

width  =  2 \frac{1}{2} cm

height  =  2 \frac{1}{2} cm

If you plug everything you have in the problem into the volume equation, you would get : Volume = 6 \frac{1}{2} cm x 2 \frac{1}{2} cm x 2 \frac{1}{2} cm.

Without a calculator, I would first turn the mixed numbers into improper fractions.

  • 6 \frac{1}{2}  = \frac{13}{2}
  • 2 \frac{1}{2} = \frac{5}{2}

Volume = \frac{13}{2} x  \frac{5}{2} x  \frac{5}{2}

When you multiply everything together you should get \frac{325}{8}.

As a mixed number, that would be 40 \frac{5}{8} cm^{3}.

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2 years ago
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If yvaries inversely as x and y=18 when x=2, find y when x=4
Sergio039 [100]

I believe the answer would be 36.

Hope this helped you. ;}

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Which function is equivalent to the inverse of y=sec(x)
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From the identity:

sec(x)= \frac{1}{cos(x)}


f(x)=sec(x)= \frac{1}{cos(x)}

the inverse of f is g such that f(g(x))=x,

we must find g(x), such that \frac{1}{cos[g(x)]}=x

thus, cos[g(x)]= \frac{1}{x}

g(x)=cos^{-1} (\frac{1}{x})


Answer: b. g(x)=cos^-1(1/x)   
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3 years ago
What is a large raised area that rises above the surrounding ground
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An area That rises above surrounding landforms and has a rounded top; lower and usually less steep than a mountain. ... A high, flat-topped landform with cliff-like sides; larger ​​​​​​than a butte.

Hope this helps!

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