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Anuta_ua [19.1K]
3 years ago
15

Need help asap please

Mathematics
2 answers:
Alenkasestr [34]3 years ago
6 0

Answer:

If your angle is 30 degrees, then its supplement is 150 degrees because 30 + 150 = 180.

Step-by-step explanation:

alexandr402 [8]3 years ago
5 0

Answer:

150

Step-by-step explanation:

180 - 30 = 150

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Help this is a major grade
sladkih [1.3K]

Answer:

yes yes no no

Step-by-step explanation:

is that what u want

6 0
3 years ago
Their corresponding helpppopooequivalent expressions,<br> Help help
Helga [31]
YOU PLAY ROBLÓX I PLAY TOOOOOO
7 0
3 years ago
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Ahmed solved x/2 - 3 = 6. His result was x = 15
adelina 88 [10]

Part (a)

Let's replace x with 15 and evaluate to see if he is correct or not.

x/2 - 3 = 6

15/2 - 3 = 6

7.5 - 3 = 6  

4.5 = 6

We get a false statement after simplifying everything. We need to get the same number on both sides to get a true statement. Therefore, Ahmed is not correct.

<h3>Answer: No, he is not correct</h3>

===============================================

Part (b)

Let's solve for x. We do so by first adding 3 to both sides, and then multiplying both sides by 2. This follows PEMDAS in reverse, undoing everything to isolate the variable.

x/2 - 3 = 6

x/2 = 6+3 .... add 3 to both sides

x/2 = 9

x = 9*2 .... multiply both sides by 2

x = 18 is the answer

As a check, we'll use the same idea as part (a)

x/2 - 3 = 6

18/2 - 3 = 6

9 - 3 = 6

6 = 6

We get a true statement this time. This confirms x = 18

<h3>Answer: x = 18</h3>
4 0
3 years ago
Read 2 more answers
What are the coordinates (x, y) at which the graphs of 2x + 3y = 12 and 2x - y = 4 intersect?
Jobisdone [24]

  The coordinates (x,y) are (3,2), If the graphs of 2x+3y=12 and 2x-y=4 are intersect.

Step-by-step explanation:

The given is,

                                         2x+3y=12.................................(1)

                                           2x-y=4....................................(2)

Step:1

            The values of x and y are obtained by elimination method,

            Substrate the equation (1) and (2),

                                          2x+3y=12

                                             2x-y=4

             ( - )

             Equation becomes,

                      (2x-2x)+(3y+y)=(12-4)

                                       (0)+(4y)=(8)

                                                   4y=8

                                                     y=\frac{8}{4}

                                                     y=2

            From the equation (1),

                                           2x+3y=12

                                        2x+3(2)=12

                                            2x+6=12

                                                  2x=12-6

                                                   x=\frac{6}{2}

                                                   x=3

Step:2

            Check for solution,

                                          2x-y=4....................................(2)

            Substitute the values of x = 3 and y = 2 in above equation,

                                        2(3)-2=4

                                             6-2=4

                                             4=4

           Both sides are equal, so the x = 3 and y = 2 is correct answer

Result:

          The coordinates (x,y) are (3,2), If the graphs of 2x+3y=12 and 2x-y=4 are intersect.

8 0
4 years ago
Determine perimeter
ruslelena [56]

Answer:

10.16 cm.................

....

6 0
3 years ago
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