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hodyreva [135]
3 years ago
15

PLEASE HELP WILL GIVE BRAINLIEST

Mathematics
1 answer:
coldgirl [10]3 years ago
6 0

Answer:

1)4x+4y=1, 6x−y=1

x+y=4, x−y=2

x+y=−2,x+2y=2

2)2x+y=3, 2x−8y=19

Step-by-step explanation:

hope this helps

have a nice day ^_^

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If y= 2x + 7 were changed to y = 5x+7, how would the graph of the new
Amanda [17]

Answer:

C is correct

Step-by-step explanation:

Comparing the to equation with slope intercept form: y=mx+c

The second equation has the greatest slope, which is indicating that the line is steeper.

4 0
3 years ago
Sale! 20% OFF
Marat540 [252]

Answer:

800$

Step-by-step explanation:

640/80=8

8=1% so

8x100=800

100%=800

5 0
3 years ago
En tres partidos de besisbol de fin de Semana, hubo 125,429 espectadores .La Semana siguiente hubi 86,353 especradores cuantos e
Pavlova-9 [17]

Answer:

211,782

Step-by-step explanation:

Esta pregunta es muy fácil porque Los espectadores en total que presenciaron los seis partidos en total es la suma de ambos.

125,429 en uno lado y 86,353 en uno lado. Y eso es igual

125,429 + 86,353 = 211,782

Los espectadores en total que presenciaron los seis partidos en total es 211,782

8 0
3 years ago
I don't understand how to find a. Please help!
Rama09 [41]
The small right angled triangle with hypotenuse vale 5 is similar to the big triangle with b as the hypotenuse
Corresponding sides are in the same ratio so we can write 
a/12 = 5/b.....(1)

Also  applying pythagoras theorem to the large triangle 
b^2 = 5^2 + 12^2
b^2 = 169
b = 13

So substituting in equation (1):-
a  / 12 = 5  / 13
a = (5*12 ) / 13

8 0
3 years ago
Read 2 more answers
Rewrite in standard form (only)<br>5x+10y=30<br>8x +2y=12<br>-12x+3y=27<br>-24x-12y=60<br>​
tino4ka555 [31]

Answer:

Below in bold.

Step-by-step explanation:

Standard form is Ax + By = C

where A, B and C are integers  and A must be positive.

So the first 2 are already in standard form but the last 2 can be converted to standard form by multiplying each term by -1:

-12x+3y=27

= -1*-12x + -1*3y = -1*27

12x - 3y = -27   is the answer.

The last one is:

24x + 12y = -60.

6 0
2 years ago
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