3 years ago

Solve the following system of equations graphically.

Mathematics

1 answer:

Vinil7 [7]3 years ago

3 0

The solution lies in quadrant I

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When 5 is subtracted from the square of a number, the result is 4 times the number. Find the negative solution.

wariber [46]

Answer:

-1

Step-by-step explanation:

You can write it as...

$x^{2} -5=4x$

Carry the 4x

$x^{2} -4x-5=0$

Then use the quadratic formula to solve, since you want to find the negative solution, you don't need to find the positive solution, so we will have

$(4-\sqrt{16+20}) /2=\frac{4-6}{2}=\frac{-2}{2} =-1$

Therefore our answer is -1

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3 years ago

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simplify to 1 hour which will be 6 minutes in 1 hour

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2 years ago

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Delicious77 [7]

I can't resist helping someone with magic (ﾉ◕ヮ◕)ﾉ*:･ﾟ✧

The formula for the volume of a cylinder is pi x r^2 x h.
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3 years ago

Which is equivalent to this expression? 2/150 + 3/75

Lesechka [4]

Answer:

Step-by-step explanation:

$\frac{2}{150}$ First reduce this to lowest term

$\frac{2}{150}=\frac{1}{75}\\\\\frac{2}{150}+\frac{3}{75}=\frac{1}{75}+\frac{3}{75}\\\\=\frac{1+3}{75}=\frac{4}{75}\\$

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3 years ago

1. A color printer print 10 pages in three minutes. How many minutes does it take per page?

Butoxors [25]

1. 10 pages ->3 min
1 page->0.3min or 18 seconds

2. $28->6h
$28/6->1h
$4/2/3 or $14/3->1h

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2 years ago