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Strike441 [17]
3 years ago
8

Which undefined terms are needed to define parallel lines? A. Point, line B. Point, coplanar C. Line, plane D. Coplanar, line

Mathematics
2 answers:
Margarita [4]3 years ago
7 0

Answer:

Try coplanar, line

Step-by-step explanation:

Two lines are parallel lines if they are coplanar and do not intersect. Lines that are not coplanar and do not intersect are called skew lines. Two planes that do not intersect are called parallel planes.

SVETLANKA909090 [29]3 years ago
5 0

Answer:

The answer should be A). point and line

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Answer should be 2, 7/2 hopefully this helped ^^
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2 years ago
Jack is planning to attend a public university after he graduates from high school in 2 years. He is devising a plan to save mon
Nimfa-mama [501]
Option b) 566.25
just subtract the amount his parents are paying from the total
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6 0
2 years ago
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Find y when x=9 if y varies directly as the square of x, and y=100 when x=5.
sukhopar [10]
If y varies directly as the square of x, that means that y=k*x^2. Plugging y=100 and x=5 into it, we get 100=k*5^2=k*25. Dividing by both sides, we get k=100/25=4. Going back to the original equation, we now know that y=4*x^2. Plugging 9=x in, we get 4*9^2=4*81=324=y
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3 years ago
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If the radius of a circle is 8 inches, what is the area. Use the formula shown below, and round the answer to the nearest hundre
gogolik [260]

A≈201.06in²

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8 0
2 years ago
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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.

3 0
3 years ago
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