3 years ago

If using the method of completing the square to solve the quadratic equation

Mathematics

1 answer:

spin [16.1K]3 years ago

3 0

Answer:

Step-by-step explanation:

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the force of attraction between two magnets is inversely proportional to the square of the distance between them. when the magne

elena55 [62]

The force of attraction between 2 magnets is inversely proportional to it's distance squared.

That means

$f = \frac{1}{ {r}^{2} }$

so when the magnets are 4 times apart the resultant force is divided 8 times.

So,

$\frac{f}{8} = \frac{1}{8} f$

We can see here C=1/8.

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4 years ago

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ycow [4]

what is option 3. I dont understand

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Kater has 24 T-shirts.Kater has 8 fewer pairs of shoes than pairs of pants. If the number of T-shirts Kater has is double the nu

olga_2 [115]

T=number of shirt
p=pants
s=shoes

t=24

8 fewer shoes than pants means s=p-8

t shirts are double pants, means t=2p

so

t=24
s=p-8
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solve

we can see
24=t=2p
24=2p
divide both sides by 2
12=p

sub into other equation
s=p-8
s=12-8
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4 pairs of shoes

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In January, the depth of a lake was 808 feet. In August, the depth of the lake was 606 feet. What is the percentage decrease dec

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Answer:

Step-by-step explanation:

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Answer:

47.5

Step-by-step explanation:

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