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1 year ago

10

21 pointAn inscribed circle isall 3 sides of the triangle it is inscribed in.not related1tangent toequal to2perpendicular to3Pre

vious

1 answer:

Nataliya [291]1 year ago

6 0

cyclic quadrilateral

This statement is always true:

Opposite angles add up to 180°

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What is the product 1/2 * 1/8

bixtya [17]

Answer:

1/16

Step-by-step explanation:

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3 years ago

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Find the product. Simplify your answer x^2-y^2/6*12/x-y

Ratling [72]

= x^2 - y^2/6 * 12/(x-y)
= 6x^2 -y^2 * 72/(x-y)
= 6x^2(x-y) -y^2(x-y) * 72
= 6x^3 - 18x^2 -xy^2 + y^3 * 72
= 432x^3 - 1296x^2 -72xy^2 + 72y^3

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3 years ago

A mechanic sells a brand of automobile tire that has a life expectancy that is normally distributed, with a mean life of 27 com

Harrizon [31]

Answer:

Tires that wear out by approximately 24307.8 miles will be replaces free of charge.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 27,000 miles

Standard Deviation, σ = 2100 miles

We are given that the distribution of life expectancy 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 0.10

$P( X < x) = P( z < \displaystyle\frac{x - 27000}{2100})=0.10$

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

$\displaystyle\frac{x - 27000}{2100} = -1.282\\\\x = 24307.8$

Tires that wear out by approximately 24307.8 miles will be replaces free of charge.

4 0

3 years ago

Someone help mewith this please! I'm not sure how to do it? and i will give brainly thx

pav-90 [236]

Answer:

C. option is right

Step-by-step explanation:

I hope it's your helpful

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3 years ago

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A computer randomly picks a number from the group 105, 106, 107, 108, 109, 110, 111, 112, 113, 114. What is the probability the

nikdorinn [45]

I think 3/10 is the answer

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3 years ago

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