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Kruka [31]
3 years ago
5

Simplify 2x + x + x + 2y x 3

Mathematics
2 answers:
goldfiish [28.3K]3 years ago
4 0

Answer:

4x+6y

Step-by-step explanation:

Simplify the expression. 4x+6y

neonofarm [45]3 years ago
4 0

Answer:

4x+6y

Step-by-step explanation:

I hope you understand it now. The multiplication is only for the 2y. 2x+x+x=4x

2y × 3= 6y

So it will be 4x+6y.

It's easy isn't it?

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jasmine has all nickels x and dimes y in her coin jar. if she has 36 coins in all, and four more dimes than. nickels find how mu
Marta_Voda [28]

Answer:

x+x+4= 36

2x= 36

x= 18 She has 18 nickels and 36-18= 18 dimes

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
WILL GIVE BRAINLIEST! Someone please graph these, I can't graph them.
nadezda [96]

Answer:

see attached image

Step-by-step explanation:

F(x) = 2x + 5 is a linear graph because the exponent on x is 1.  I tell my students that think of graphs having one less turn/corner that the value of the highest exponent.  so since 2x has a exponent of 1, 1-1 =0 so it has no turns or its a straight line.

this has a slope of 2 or 2/1 or up 2 and right 1 from the y intercept which is 5

so mark 5 on the y axis and a from there go up 2 and right 1 and make another point.  Join these points and you have your graph


and


g(x) = (x-5)/2  is its inverse and is found:

F(x) = 2x + 5 write it this way y = 2x + 5

now swap the x and y    x = 2y - 5

solve for y

x = 2y + 5

- 5       -5

x - 5 = 2y

/2        /2

(x-5)/2 = y

it can be written as y = x/2 - 5/2

and graphed the same way as above with a  1/2 slope and -5/2 y intercept

4 0
3 years ago
Read 2 more answers
Plugin y=-5 into either equation and solve for x<br> -6x-8y=-20 or x+y=5
nalin [4]

Answer:

x = 10

Step-by-step explanation:

3 0
2 years ago
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I have no idea how to do this, can someone please help?
Sveta_85 [38]
Assume your line starts at zero, your first point is (-3,5) meaning your have a slope of 5/-3
[ f(x) = 5/-3x + b] 
4 0
3 years ago
Martin is two years younger than three times his daughter Ada’s age. The sum of their ages is 54. If Ada’s age is given by a, th
liq [111]

Answer:

A. 3a-2=54

Step-by-step explanation:

3 x her age - the 2 year will equal 54

6 0
2 years ago
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