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N76 [4]
3 years ago
13

Question 9

Mathematics
2 answers:
NeX [460]3 years ago
5 0
It should be 40 ~
6*10=60
5*4=20
60-20=40
tamaranim1 [39]3 years ago
5 0

Answer:

I think it's 80

Step-by-step explanation:

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For 61 you can change it to √25/√49. √25=5 and √49=7 so it would simplify to 5/7.
3 0
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here is a list of numbers: 12, 13, 19, 16 ,32, 15, 13.a)work out the range of the numbers in the list.b)work out the mean of the
ratelena [41]

Answer: Mean: 17.14                                                                                           Range: 20.

Step-by-step explanation: 12+13+13+15+16+19+32                             25+13+15+16+19+32                                                                                             38+15+16+19+32                                                                                               53+16+19+32                                                                                                         69+19+32                                                                                                               88+32                                                                                                                     120/7                                                                                                                     17.14                                                                                                                                                    

32-12                                                                                                                       20

6 0
3 years ago
Graph the line with slope 7 and y-intercept -7
poizon [28]

<u>Given</u><u> </u><u>:</u><u>-</u>

  • To graph the line with slope 7 and y intercept -7.

<u>To </u><u>Find</u><u> </u><u>:</u><u>-</u>

  • The graph of the line .

<u>Solution</u><u> </u><u>:</u><u>-</u>

Here since the slope of the line is 7 and y intercept is -7 , we can use the slope intercept form of the line to find the equation of the line . The slope intercept form of the line is ,

\longrightarrow y = mx + c

On putting the respective values ,

\longrightarrow y = 7(x) + (-7)

\longrightarrow y = 7x - 7

<u>For</u><u> </u><u>the</u><u> </u><u>graph</u><u> </u><u>see </u><u>attachment</u><u> </u><u>.</u>

6 0
2 years ago
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Aleks [24]

Answer:

direct distance = 65,644.07 feet

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Step-by-step explanation:

The angle of depression is the angle that the airplane does with the horizontal plane.

So, if this angle is 7° and the airplane is at an altitude if 8000 feet, we can find the direct distance and the horizontal distance using the tangent and the sine relations of the angle.

In the tangent of the angle, the opposite side will be the height of the airplane, and the adjacent side will be the horizontal distance (hd), so:

tangent(7) = 8000 / hd

hd = 8000 / tangent(7) = 65,154.77 feet

In the sine of the angle, the opposite side will be the height of the airplane, and the hypotenusa will be the direct distance (d), so:

sine(7) = 8000 / d

d = 8000 / sine(7) = 65,644.07 feet

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Answer: 0.001

Step-by-step explanation:

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