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myrzilka [38]
3 years ago
5

How does 2(3m+6) compare to 5(2m+3)-4m when m is a postive intenger .

Mathematics
1 answer:
Flura [38]3 years ago
3 0

Answer:

5(2m+3)-4m is 3 less than 5(2m+3)-4m

Step-by-step explanation:

How does 5(2m+3)-4mcompare to 5(2m+3)-4m when m is a postive intenger .

Expand 2(3m+6) and 5(2m+3)-4m

For 2(3m+6)

= 2(3m)+2(6)

= 6m+12

For 5(2m+3)-4m

= 5(2m)+5(3)-4m

= 10m+15-4m

= 10m-4m+15

= 6m+15

Take their difference

6m+15 -(6m+12)

=6m-6m+15-12

= 3

Hence 5(2m+3)-4m is 3 less than 5(2m+3)-4m

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If you buy 20 tickets for $6.00, how much are you paying per ticket?
andrew-mc [135]
This is a division problem.

6/20 = 0.3

Answer: You are paying $0.30 per ticket.
8 0
3 years ago
Theo, Nancy, and Mary each drove separately to meet at Approximately how
Step2247 [10]

Mary's house is approximately 49.73 miles from her grandmother's house.

The distances the three drove were;

Mary drove for 49.73 miles, Theo drove 50 miles and Nancy drove 53.299 miles.

Explanation:

  • The given triangle has a 13 mile long adjacent side, a 48 mile long opposite side and the distance of Mary's route is the hypotenuse. As we have two sides of the triangle, we can solve for the length of the other side by using Pythagoras' theorem.
  • Assume the hypotenuse of the triangle measures x miles. According to Pythagoras theorem, x = √(13² + 48²) , x = √169 + 2,304 x = √2,473 = 49.729. Rounding this off, we get Mary's route was 49.73 miles long.
  • Nancy drove √2,840 miles = 53.2916 miles.
  • So Mary drove the shortest distance of 49.73 miles, second shortest was Theo who drove for 50 miles and the longest was Nancy who drove for 53.299 miles.

8 0
3 years ago
Read 2 more answers
10x + .0085x = 280000
GaryK [48]

Answer:

x = 27976.22021

Step-by-step explanation:

10x + .0085x = 280000

Combine like terms

10.0085x = 280000

Divide by 10.0085 on each side

10.0085x /10.0085= 280000/10.0085

x = 27976.22021

6 0
4 years ago
Find the surface area of the rectangular and triangular prisms
harina [27]
Is there a picture to this????

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For example if its 8cm,3cm,2cm all you need to do is multiply them together
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7 0
4 years ago
How do I do this <br> X+y=-4<br> 3x-6y=15
avanturin [10]

Answer:

x=-1, y=-3. (-1, -3).

Step-by-step explanation:

x+y=-4

3x-6y=15

---------------

x=-4-y

3(-4-y)-6y=15

-12-3y-6y=15

-12-9y=15

9y=-12-15

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y=-27/9

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x-3=-4

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8 0
3 years ago
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