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atroni [7]
3 years ago
13

I'd appreciate it if anyone could help out as soon as possible!

Mathematics
1 answer:
andriy [413]3 years ago
5 0

Answer:

  (3x + 14) + (8x - 21) = 180º

Step-by-step explanation:

In order for the two lines to be parallel, the marked angles must be supplementary: their sum must be 180°.

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How many solutions does this equation have?<br><br> –5(6y + 7) = –17y + 7 − 10y
aalyn [17]

Answer:

y=-14

Step-by-step explanation:

3 0
3 years ago
What is the answer
Nastasia [14]

Answer:

both

Step-by-step explanation:

neither of those can be an answer. because x is less than or equal to -1

5 0
3 years ago
I need help please be sure of your answer.
Ilia_Sergeevich [38]

Answer:

Step-by-step explanation:

The top has area (3 cm)(5 cm), or:                                 15 cm^2

The bottom has the same area:                                      15 cm^2

Each of the ends has the area (3 cm)(2.5 cm):                7.5 cm^2

                                                                                           7.5 cm^2

Each of the sides has the area (2.5 cm)(5 cm)                12.5 cm^2

                                                                                            12.5 cm^2

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

                                                                                             70 cm^2

The total lateral area is 70 cm^2

                     

8 0
3 years ago
Write an equation of a line in the form y=mx+b that together with the equation x+3y=9 forms a linear system that has no solution
Alex73 [517]

Answer:

I love algebra anyways

The ans is in the picture with the  steps how i got it

(hope this helps can i plz have brainlist :D hehe)

Step-by-step explanation:

7 0
3 years ago
An airplane flies at a constant speed. It can travel a distance (d) of 1,800 kilometers in 2 hours (t).
ss7ja [257]
D = 900t

because if you want to simplify t (2 hours) into one then you divide 1800 by 2 and that gives you the constant of proportionality (slope) of 900. Using this information you can write the expression d = 900t.
8 0
3 years ago
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