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Komok [63]
3 years ago
6

When is it better to use a table in math

Mathematics
1 answer:
Galina-37 [17]3 years ago
3 0

Answer:

in certain questions

Step-by-step explanation:

only use a table in Math when it is necessary. for example, when you are trying to find the coefficient.

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0.125 is the answer
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Adult female height is normally distributed with a mean of 65.3 inches and a standard deviation of 2.32 inches. a) If an adult f
emmasim [6.3K]

Answer:

0.0423 is the probability that the adult female has a height less than 61.3 inches.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 65.3 inches

Standard Deviation, σ = 2.32 inches

We are given that the distribution of adult female height is a bell shaped distribution that is a normal distribution.

Formula:

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

P(adult female has a height less than 61.3 inches)

P( x < 61.3) = P( z < \displaystyle\frac{61.3 - 65.3}{2.32}) = P(z < -1.7241)

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

P(x < 61.3) =0.0423 = 4.23\%

0.0423 is the probability that the adult female has a height less than 61.3 inches.

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What is the volume of the following rectangular prism?
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The volume is 7.9 units

Step-by-step explanation:

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The height of a triangle is 12 centimeters more than its base. The area of the triangle is 189 square centimeters Find the base
telo118 [61]

Answer:

C

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the area of a triangle is

baseline × height / 2

so, we know in our case

b(b+12) = 189 cm²

b² + 12b - 189 = 0

let's try to solve this by completing the square.

that means we try to find the expression

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that is equal to

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(b + k)² + c = b² + 2kb + k² + c = b² + 12b - 189

so,

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k² + c = -189

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(b + 6)² = 225

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2 years ago
During bowling practice, Oscar rolled 14 strikes out of 70 attempts, What
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Answer:

20% or 0.2

Step-by-step explanation:

u do 14÷70=0.2

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