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3 years ago

Please answer this correctly

Mathematics

2 answers:

olasank [31]3 years ago

8 0

Answer:

12 days

Step-by-step explanation:

Daniel [21]3 years ago

5 0

Answer:

5 days

Step-by-step explanation:

Think...

10 ounces for every 8 dogs

Multiply 10 and 8 which equals to 80 ounces of food.

Now convert 25 pounds into ounces

25lbs = 400 oz

Now divide 400 by 80

Which equals 5

So the 25 pound bag of food will last 5 days

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A college football coach has decided to recruit only the heaviest 15% of high school football players. He knows that high school

Alla [95]

Answer:

The coach should start recruiting players with weight 269.55 pounds or more.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 225 pounds

Standard Deviation, σ = 43 pounds

We are given that the distribution of weights is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

We have to find the value of x such that the probability is 0.15

$P( X > x) = P( z > \displaystyle\frac{x - 225}{43})=0.15$

$= 1 -P( z \leq \displaystyle\frac{x - 225}{43})=0.15$

$=P( z \leq \displaystyle\frac{x - 225}{43})=0.85$

Calculation the value from standard normal z table, we have,

$P(z < 1.036) = 0.85$

$\displaystyle\frac{x - 225}{43} = 1.036\\\\x = 269.548 \approx 269.55$

Thus, the coach should start recruiting players with weight 269.55 pounds or more.

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3 years ago

Find 2.4% of $109. Show work.

Alex73 [517]

Answer:

$2.62

Step-by-step explanation:

$2.4\% \: of \: \$109 \: \\ \\ = \frac{2.4}{100} \times 109 \\ \\ = 0.024 \times 109 \\ \\ = \$2.616 \\ \\ \approx \: \$2.62$

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2 years ago

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vlabodo [156]

Answer: 4/15

Step-by-step explanation:

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