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stiv31 [10]
2 years ago
13

-3.8x = -7.4 Is x=2 is a solution

Mathematics
1 answer:
Lana71 [14]2 years ago
6 0
No

The anser is x= -11,2
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One month Ashley rented 2 movies and 5 video games for a total of $33. The next month she rented 8 movies and 3 video games for
Ray Of Light [21]

To answer this question, you should set up and equation before doing anything else. So for this question you 're going to set up two equations.

The first equation is 2x+5y=33

The second equation is 8x+3y=30

Once you do that you have to solve for either X or Y by canceling out the other one. In this problem figuring out the Y is easier because you can cancel the X's more easily than the Y. To cancel a variable, they have to add up to 0.

So to cancel the X you multiply the equation 2x+5y=33 by -4.

That gives you -8x-20y= -132

Then you set up the two equations and add them together.

(-8x-20y= -132) + (8x+3y=30)

That gives you -17y = -102

So then you solve for Y by dividing by -17. You find out that Y is equal to 6. Then you plug the 6 back into the ORIGINAL equations and solve for X, which turns out to be 1.5

Hope this helped and if you get confused or have questions please ask :)

6 0
3 years ago
I need help with this maths question
ella [17]
If we simply it, then it would be
3 + 2x + 6 + x = 15, which equals
3x + 6 + 3 = 15,
3x + 9 = 15,
if we subtract 9 from 15, we get 6. If we divide 3x by 3, and 6 by 3, we get 2.
Therefore x = 2, and we know there is a 10/15 chance to get a humbug, or a 1/3 chance.
Hope this helped.
6 0
3 years ago
Graph the solution of −5a+6&gt;11.<br> Please, I need help!!!
horsena [70]

Answer:

\large\boxed{a

Step-by-step explanation:

-5a+6>11\qquad\text{subtract 6 from both sides}\\\\-5a>5\qquad\text{change the signs}\\\\5a

4 0
3 years ago
Find the nth term for the sequence 30 27 24 21
patriot [66]
Assuming that the 30 is term #1 ..... The 'n'th term of the series is. T(n) = 33 - 3n or 3 (11 - n).
5 0
3 years ago
Read 2 more answers
Solve for d<br> Can you pls help me?
Georgia [21]
The answer to this question would be 3d-2=31 and d=11
3 0
2 years ago
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