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Trava [24]
3 years ago
8

The distance around a circular flower bed is 36 feet. Jasper wants to put stakes every 8 inches (2/3 of a foot) around the bed.

How many stakes does he need?
Mathematics
1 answer:
White raven [17]3 years ago
4 0
54 stakes.  12" in a foot, 12x36 = 432, 432/8 = 54
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Thomas spent $3.30 for 3 ice cream cones. Dan spent 2.50 for 2 ice cream cones. Who spent less per ice cream cone
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Answer:

Thomas spent less per ice cream cone.

Step-by-step explanation:

Thomas spent $1.10 per ice cream cone.

Dan spent $1.25 per ice cream cone.

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Porphyrin is a pigment in blood protoplasm and other body fluids that is significant in body energy and storage.
ra1l [238]

Answer:

a) 0.923

b) 0.957

c) 0.88

d) 0.077    

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 40

Standard Deviation, σ = 14

We are given that the distribution of number of milligrams of porphyritic per deciliter of blood is a bell shaped distribution that is a normal distribution.

Formula:

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

a) P(xis less than 60)

P(x < 60)

P( x < 60) = P( z < \displaystyle\frac{60 - 40}{14}) = P(z < 1.4285)

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

P(x < 60 ) =0.923 = 92.3\%

b) P(x is greater than 16)

P(x > 16) = P(z > \displaystyle\frac{16-40}{14}) = P(z > -1.7142)\\\\P( z > -1.7142) = 1 - P(z \leq -1.7142)

Calculating the value from the standard normal table we have,

1 - 0.043 = 0.957 = 95.7\%\\P( x > 16) = 95.7\%

c)P(x is between 16 and 60)

P(16 \leq x \leq 60) = P(\displaystyle\frac{16 - 40}{14} \leq z \leq \displaystyle\frac{60-40}{14}) = P(-1.7142 \leq z \leq 1.4285)\\\\= P(z \leq 1.4285) - P(z < -1.7142)\\= 0.923 - 0.043= 0.88 = 88%

P(16 \leq x \leq 60) = 88\%

d)  P(x is more than 60)

P(x > 60)  = 1 - P(x < 60) = 1 - 0.923 = 0.077

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3 years ago
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Answer:

The relationships between the quantities is x11

Step-by-step explanation:

If you do times 11 for each one you would get 11,22,33,44 but if you add ten to all of them you would get 11,12,13,14

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3 years ago
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