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sineoko [7]
1 year ago
8

Draw Line HI perpendicular to Line JK (be sure to include appropriate markings)

Mathematics
1 answer:
kirill [66]1 year ago
4 0

To draw line HI perpendicular to JK we need to follow the given steps:

Place your compass on the given point (point H). Draw an arc across the line on each side of the given point. Do not adjust the compass width when drawing the second arc.

From each arc on the line, draw another arc on the opposite side of the line from the given point (H). The two new arcs will intersect.

Use your ruler to join the given point (H) to the point where the arcs intersect (I).

HI is perpendicular to JK.

What is perpendicular?

Two distinct lines intersecting each other at 90°, or a right angle, are called perpendicular lines.

Properties of Perpendicular Lines

  • These lines always intersect at right angles.
  • If two lines are perpendicular to the same line, they are parallel to each other and will never intersect.
  • Adjacent sides of a square and a rectangle are always perpendicular to each other.
  • The sides of the right-angled triangle enclosing the right angle are perpendicular to each other.

To learn more about perpendicular lines,

brainly.com/question/1202004

#SPJ9

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If a rectangular prism has the volume of 408 ft squared and a width of 3 ft, what is the height and length of the figure?
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4 years ago
It took 48 minutes to drive downtown An app estimated it would be less than that If the error was 20% what was the apps estimate
Zina [86]

Answer:

<em>The app's estimate was 38.4 minutes.</em>

Step-by-step explanation:

Suppose, the app's estimated time was t minutes.

Given that, it took 48 minutes to drive downtown. So, <u>the error in estimated time by the app</u> =(48-t) minutes.

It is also given that the error was 20%. So, <u>the amount of error</u> = (48*0.20)=9.6 minutes.

Thus, the equation will be......

48-t= 9.6\\ \\ -t=9.6-48\\ \\ -t=-38.4\\ \\ t= 38.4

So, the app's estimate was 38.4 minutes.

5 0
3 years ago
Cos45*/sec30*+cosec60*​
Lera25 [3.4K]

Answer:

= (√3+4√2)/2√6

Step-by-step explanation:

To evaluate cos45*/sec30*+cosec60*​

First according to trigonometry identity

sec 30 = 1/cos30

cosec 60 = 1/sin60

Substitute

cos45*/sec30*+cosec60*​

= cos45/(1/cos30) + 1/sin60

= cos45coss30 + 1/sin60

= 1/√2 * √3/2 + 1/(√3/2)

= √3/2√2 + 2/√3

= (√9+4√2)/2√6 +

= (√3+4√2)/2√6

7 0
3 years ago
Read 2 more answers
A recent survey found that 76 ​% of all adults over 50 wear glasses for driving. in a random sample of 100 adults over​ 50, what
Mandarinka [93]

Mean = np = 60(0.7) = 42

Standard deviation = sqrt(npq) = sqrt(60(0.7)(0.3)) = 3.55

7 0
3 years ago
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