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3 years ago

Help me with these questions please!Thank you. I will greatly appreciate it!

Mathematics

1 answer:

nignag [31]3 years ago

6 0

1. A
2. A
3. B.
4. 325,108
5. C
6. D
7x10 3 is larger because it is equal to 7000 but 7x10 2 is only 700.

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A company interested in lumbering rights for a certain tract of slash pine trees is told that the mean diameter of these trees i

brilliants [131]

Answer:

97.6% of the trees will have diameters between 7.6 and 18.6 inches.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 12 inches

Standard Deviation, σ = 2.2 inches

We are given that the distribution of diameter of tree is a mound shaped distribution that is a normal distribution.

Formula:

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

P(diameters between 7.6 and 18.6 inches)

$P(7.6 \leq x \leq 18.6) = P(\displaystyle\frac{7.6 - 12}{2.2} \leq z \leq \displaystyle\frac{18.6-12}{2.2}) = P(-2 \leq z \leq 3)\\\\= P(z \leq 3) - P(z < -2)\\= 0.999 - 0.023 = 0.976= 97.6\%$

$P(7.6 \leq x \leq 18.6) = 97.6\%$

97.6% of the trees will have diameters between 7.6 and 18.6 inches.

8 0

2 years ago

What is 90 added to 85

MakcuM [25]

90+85=175
Thats the answer

8 0

5 months ago

Read 2 more answers

Please help as soon as possible

lidiya [134]

The slope is 0
Y=0x+3

3 0

2 years ago

Describe how to use a tens fact to find the difference for 15-8

arlik [135]

When you use a tens fact you round to the nearest ten and 15-8=7. The nearest ten to seven is 10
Answer:10

5 0

2 years ago

The equation, y = (1/4)x, is an example of what kind of variation?

lakkis [162]

Answer:

I would stay direct vartation

Step-by-step explanation:

For example, if y varies directly as x, and y = 6 when x = 2, the constant of variation is k = = 3. Thus, the equation describing this direct variation is y = 3x.

3 0

2 years ago