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pychu [463]
3 years ago
5

In a plane if two line are perpendicular to the same line then they ___ to each other.

Mathematics
2 answers:
Kruka [31]3 years ago
6 0

It’s either skew parallel

Debora [2.8K]3 years ago
4 0

Answer:

parallel

Step-by-step explanation:

Two lines perpendicular to the same line must be parallel to each other.

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1/4 carton of ice cream divided wvenly by 3
bixtya [17]

Answer:

Hello There!!

Step-by-step explanation:

You multiply the reciprocal which is 4 by 3 and that is 12.

Another method: 1/4 ÷3 (use KFC) so it is keep 3,flip the fraction so it is 4/1 them change the sign ÷ into multiplication so it is 3×4/1=12. Therefore,the answer is 12.

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2 years ago
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Which of the following figures could have both line symmetry and rotational symmetry?
Lana71 [14]

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Triangle  and square!

Step-by-step explanation:

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2 years ago
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For the following right triangle find the side length x
lbvjy [14]
78’ degrees on the right side
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2 years ago
Construct the indicated confidence interval for the difference between the two population means. Assume that the two samples are
Kruka [31]

Answer:

Step-by-step explanation:

The formula for determining the confidence interval for the difference of two population means is expressed as

Confidence interval = (x1 - x2) ± z√(s²/n1 + s2²/n2)

Where

x1 = sample mean of type A paint

x2 = sample mean of type B paint

s1 = sample standard deviation type A paint

s2 = sample standard for type B paint

n1 = number of samples of type A paint

n2 = number of samples of type B paint

From the information given,

x1 = 75.7

s1 = 4.5

n1 = 11

x2 = 64.3

s2 = 5.1

n2 = 9

x1 - x2 = 75.7 - 64.3 = 11.4

√(s1²/n1 + s2²/n2) = √(4.5²/11 + 5.1²/9) = √4.709

Degree of freedom = (n1 - 1) + (n2 - 1)

df = (11 - 1) + (9 - 1) = 18

For the 98% confidence interval, the z score from the t distribution table is 2.552

Margin of error = 2.552√4.709 = 5.55

The upper boundary for the confidence interval is

11.4 + 5.55 = 16.95 hours

The lower boundary for the confidence interval is

11.4 - 5.55 = 5.85 hours

The correct option is

B. 5.85 hrs < μ1 - μ2 < 16.95 hrs

4 0
3 years ago
Are two ratios are equivalent to two thirds
trapecia [35]
2:3 and 4:6 are two different ratios that are equivalent to 2/3.

B) 
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3 years ago
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