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aniked [119]
3 years ago
7

Can anyone help me out with this?

Mathematics
2 answers:
Tom [10]3 years ago
7 0

Answer:

4 + 13y

Step-by-step explanation:

Phantasy [73]3 years ago
4 0
4+13 y

because variables can only be added / subtracted with variables, and since constants with constants
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The first part of a trip driving at 40 mph was 15 miles longer and took 30 minutes longer than the second part of the trip drivi
kenny6666 [7]

Answer:

65 miles

Step-by-step explanation:

There are two simultaneous equations . Remeber that v=d/t, 1hour = 60 minutes.

1. 40 = (d+15)/(t+0.5)

2. 50 = d/t

solving: d= 25 miles and t=0.5 hours.

The distance traveled is:

D=d+d+15

D=65 miles

5 0
3 years ago
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Write the equation of the circle with a center at (11,6) and a radius of 6.
andrew11 [14]

Answer:

(x-11)^2 + (y-6)^2= 6^2

Step-by-step explanation:

3 0
3 years ago
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In a bag full of small marbles, 1/4 of the marbles are green 1/8 of the marbles are blue and 1/12 of the marbles are
Alik [6]

Step-by-step explanation:

white=26

1/4+1/8+1/12=6/24+3/24+2/24=11/24=(green,blue and yellow marbles)

24-11=13/24=white

26/13=2=1/24

blue=3/24

2.3=6

answer 6

8 0
3 years ago
Express M=cos3A + cos A and N = sin3A + sin A as a product form​
elena-14-01-66 [18.8K]

Answer:

2cosAcos2A, 4sinAcos^2A

Step-by-step explanation:

cos3A+cosA

2cos((3A+A)/2)cos((3A-A)/2)

2cos(4A/2)cos(2A/2)

2cosAcos2A

sin3A+sinA

2sin((3A+A)/2)cos((3A-A)/2)

2sin(4A/2)cos(2A/2)

2sin2AcosA

4sinAcos^2A

3 0
2 years ago
I need help with this.....​
Hatshy [7]

Answer:

55 degrees

Step-by-step explanation:

4 0
3 years ago
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