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zalisa [80]
3 years ago
9

JL is a diameter of circle k. If tangents to circle I are constructed through points L and K what relationships would exist betw

een the two tangents
Mathematics
1 answer:
luda_lava [24]3 years ago
3 0

i. Let t be the line tangent at point J. We know that a tangent line at a  point on a circle, is perpendicular to the diameter comprising that certain point. So t is perpendicular to JL
let l be the tangent line through L. Then l is perpendicular to JL ii. So t and l are 2 different lines, both perpendicular to line JL.
2 lines perpendicular to a third line, are parallel to each other, so the tangents t and l are parallel to each other.
Remark. Draw a picture to check the 
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A recent Harris poll asked a random sample of 1016 adults nation-wide whether or not they smoked cigarettes. 22% said they smoke
photoshop1234 [79]

Answer:

A recent Harris poll asked a random sample of 1016 adults nation-wide whether or not they smoked cigarettes. 22% said they smoked. Based on this sample, can you conclude that...

a.) The expected value for the percent of all adults world-wide who would say they smoked cigarettes is 22%?

b). The expected value for the percent of students at UI who would say they smoked cigarettes is 22%?

c). The expected value for the percent of professors at UI who would say they smoked cigarettes is 22%?

d). The expected value for the percent of all US adults who would say they smoked cigarettes is 22%?

The correct answer is

d).The expected value for the percent of all US adults who would say they smoked cigarettes is 22%?

Step-by-step explanation:

The expected value is arrived at by finding the product of a possible output and the probability that the output will occur and summing up the results. Expected value can be used for investment management to calculate options and make decisions most likely to bring about the desired gain. The random variable provides categorisation of the outcomes of the game while the expected provides the probability of aan outcome

In the above, the source of the sample is nationwide whereby 22 % said they smoked therefore it cannot be applied to a different population that has a different expected value for the same survey.

8 0
3 years ago
PLASE HELP ASAP, brainly >>>>>>>>>>>>>>>>>>>>>>>>>&gt
oksian1 [2.3K]

I Hope That I Am Not To Late, But The Answer Is D (7,4) <3

<u>Explanation </u>

2 x 7 = 14

5 x 4 = 20

14-20= -6

>>>

2 x 7= 14

7 x 4 = 28

14-28= -14

X= 7 & Y=4

Once again sorry if i am late, if others come I hope this helps UwU

7 0
2 years ago
Find the perimeter of the figure. *<br> 5.7 m<br> 6.2 m<br> 8.1 m
vichka [17]

Answer:

20

Step-by-step explanation:

When looking for the perimeter just add all the numbers together.

5 0
3 years ago
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Katyanochek1 [597]

Answer:

644 cm^2

Step-by-step explanation:

10*7*2+12*7*2+12*10=140+168+120=428

10*12-3*3=111

428+111=539

8*3*4+3*3=96+9=105

539+105=644

3 0
2 years ago
Tom has twice as many marbles as luke. together they have 39 marbles. how many marbles does tom have?
irga5000 [103]
Tom has 26 marbles total. 
3 0
3 years ago
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