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IRINA_888 [86]
3 years ago
15

The function D(h)=25h+50 models the distance a train traveled from a station, in miles, h hours after crossing a bridge, what is

the meaning of the x intercept?
Mathematics
2 answers:
omeli [17]3 years ago
7 0
The train crossed the bridge 2h after leaving the station.
Furkat [3]3 years ago
6 0
The x intercept is where the line crosses the y axis or where D(h)=0
D(h) is the distance that the train is from the station

so that means that when D(h)=0, that is when the train is at the station
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Find the sample space for a committee of two chosen from Alice (A), Bill (B), Carol (C), and David (D).
Finger [1]

Answer:

(a) C.  {(A, B), (A, C), (A, D), (B, C), (B, D), (C, D)}

(b) C. {(A,B),(A,D),(B,C),(C,D)}

Step-by-step explanation:

Given four members eligible for selection:

Alice (A), Bill (B), Carol (C), and David (D).

The possible combinations are:

(A,B),(A,C),(A,D),(B,A),(B,C),(B,D),(C,A),(C,B),(C,D), (D,A),(D,B), (D,C)

<u>Part A</u>

Since the same pairs are equal i.e. (A, B)=(B , A),

The Sample space for a committee of two is:

{(A,B),(A,C),(A,D),(B,C),(B,D),(C,D)}

This is Option C.

<u>Part B</u>

If both genders must be represented, we remove the entries that contain the same gender from the sample space above.

A and C -Female

B and D - Male

{(A,B),(A,C),(A,D),(B,C),(B,D),(C,D)}

Therefore, the sample space if both genders are to be represented is:

{(A,B),(A,D),(B,C),(C,D)}

This is Option C.

4 0
3 years ago
Solve the equation sine Ф=0.6792 for 0°≤Ф≤360
Sergio [31]

Answer:

42.78⁹, 137.22⁹.

Step-by-step explanation:

sine Ф=0.6792

Angle Ф in the first quadrant = 42.78 degrees.

The sine is also positive in the second quadrant so the second solutio is

180 - 42.78

= 137.33 degres.

3 0
3 years ago
Write the number with the same value as 28 tens
Sonbull [250]
280 is the answer
______________________________________
                                                                                        
3 0
3 years ago
Select all tables thaf represent A proportional relationship between x and y.
Whitepunk [10]
A is the answer babygirl.
4 0
3 years ago
One Solution<br>no solution <br>infinitely many solutions<br>3x + 9 + 4x + x =<br>_x+_​
ss7ja [257]
All you need to do it combine like terms.

3x + 9 + 4x + x

(3x + 4x + x) + 9

8x + 9

i hope this was helpful for you!
8 0
3 years ago
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