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victus00 [196]
3 years ago
14

The price of a pair of socks decreases from 15 dollars to 12 dollars what is the percent decrease

Mathematics
1 answer:
murzikaleks [220]3 years ago
6 0

Answer:

20%

Step-by-step explanation:

12/15 = .8

subtract from 1

gives you .2

convert to a percentage

.2 = 20%

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Point A is located at (5, 6) and point B is located at (8, −2) . What are the coordinates of the point that partitions the direc
alekssr [168]

Answer:

(6, 3 1/3)

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In y, AB goes from 6 to -2, so the coordinate changes by (-2-6)=-8 units.

1/3 along this ling will be 6 + 1/3 (-2-6)=6-2 2/3=3 1/3

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3 years ago
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Will the probabilities from an experiment with 20 trials be exactly the same if you repeat the experiment? (Explain your thinkin
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4 0
3 years ago
I need help with this question
Murrr4er [49]

The number of cows is given by

14\cdot 2^{\frac{y}{5}}

So, after k years, the number of cows will be

14\cdot 2^{\frac{y+k}{5}}

We want this number to be twice as much as the original:

14\cdot 2^{\frac{y+k}{5}} = 2(14\cdot 2^{\frac{y}{5}})

First of all, we can cancel 14 from both sides:

2^{\frac{y+k}{5}} = 2\cdot 2^{\frac{y}{5}}

Finally, on the right hand side, we can use the exponent rule

a^b\cdot a^c=a^{b+c}

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2^{\frac{y+k}{5}} = 2^{\frac{y}{5}+1}

To solve this equation, we must impose that the two exponents are the same:

\dfrac{y+k}{5} = \dfrac{y}{5}+1 \iff \dfrac{y+k}{5} = \dfrac{y+5}{5}

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You can do the exact same steps to find the doubling time for the sheeps.

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3 years ago
In a class of 40 students, 20% are females. How many males are in the class?​
Vadim26 [7]

Answer:

In a class of 40 students, 20% are females. How many males are in the class?​

ANSWER

= 32

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2 years ago
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Answer:

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