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Nonamiya [84]
3 years ago
6

Help me please !!!!!!

Mathematics
1 answer:
PilotLPTM [1.2K]3 years ago
7 0
The correct answer is B. x is greater than -2.

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PLEASE PLEASE HELP!!!GIVING BRAINLEIST!! RESPOND IN 5 MIN FOR POINTS!!❤️
Mamont248 [21]

Step-by-step explanation:

The error carolyn has made is that she hasn't subtracted properly.

2x + 3y - (2x +6y) = 2x - 2x + 3y - 6y = -3y.

Carolyn probably didn't use parentheses...

To do the thing in substitution, we single out x or y in any equation. In this case, i'm gonna single out the x in the 2nd eqn. In other words, i'll make x the subject of the 2nd eqn.

2x + 6y = 10

2x         = 10 - 6y

x           = 5 - 3y

Now we simply plug in 5 - 3y wherever x apperas in the 1st equation.

2 (5-3y) + 3y = 8

10 - 6y + 3y   = 8

10 - 3y           = 8

-3y                 =  -2

y                    = 2/3

Then x = 5 - 3*2/3 = 3

x=3

y=2/3

Hope it helps:)              

8 0
3 years ago
Help me ;v; and thank you sm!
cupoosta [38]

27 Cm² (C)

...............

7 0
3 years ago
Read 2 more answers
Paul baked 56 blueberry muffins. His brother Pete ate 7 muffins and his father William ate 5 muffins. Which expression can Paul
Natasha_Volkova [10]

Answer: 56-(7+5)

Step-by-step explanation:

You can find the amount of muffins left over by adding up the amount of muffins that were eaten and subtracting them from the original amount of blueberry muffins, so the answer is 56-(7+5).

(7+5 is in parentheses because if not, you would have 56-7+5 and get 54).

4 0
3 years ago
In this sum, each letter stands for one of the digits 0 to 9
lora16 [44]

Answer:

7 4 5 0

F O U R

+

4 8 1

O N E

=7 9 3 1

F I V E

Hope this is correct:)

6 0
2 years ago
The candle company is having its semiannual sale. All items are 40 percent off. If the original price of a candle basket is $120
Stells [14]

Answer:

It's C

Step-by-step explanation:

120 x 0.4 = 48

120 - 48 = 72

6 0
3 years ago
Read 2 more answers
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