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konstantin123 [22]
4 years ago
14

Simplify this expression.

Mathematics
2 answers:
GalinKa [24]4 years ago
6 0
I believe the answer is C
shusha [124]4 years ago
6 0
2 times 10 is 20 and 2 times x is 2x and 2 times -4 is -8 then you subtract add 20 and -8 because they’re like terms giving you 2x+12 or c
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20 ÷ ........... = (-2)
nika2105 [10]

Answer:

20÷(-10)=-2 is the answer

8 0
3 years ago
Read 2 more answers
Son proporciones.<br> cual es el resultado de :x/2,5=y/5 si x+y=6
omeli [17]

Respuesta: x/2,5=y/5=4/5=0,8


x/2,5=y/5

Multiplicando ambos lados de la ecuación por 5:

5(x/2,5)=5(y/5)→2x=y→y=2x

Sustituyendo y por 2x en la ecuación x+y=6:

x+2x=6

Resolviendo para x: Sumando términos semejantes:

3x=6

Dividiendo ambos lados de la ecuación entre 3:

3x/3=6/3

x=2

Sustituyendo x por 2 en la formula y=2x

y=2(2)→y=4

Determinando la proporción:

x/2,5. Sustituyendo x por 2:

2/2,5

Multiplicando numerador y denominador por 2:

2*2/(2,5*2)=4/5

La proporción es 4/5=0,8

Si lo hacemos con y:

y/5

Reemplazando y por 4:

4/5=0,8 (la misma proporción)


7 0
3 years ago
The store ordered small posters and large posters to promote their opening 12 times as many small posters were ordered as large
navik [9.2K]
45 times 12 is 540. I think 540 posters
7 0
3 years ago
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Can yall help me out
vodka [1.7K]

Answer:

0.8

Step-by-step explanation:

3 0
2 years ago
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What is 555/74?<br><br><br> Thank YOU!
Hitman42 [59]

Answer:

7.5

Hope this helps! :)

8 0
3 years ago
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