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lys-0071 [83]
3 years ago
7

How many solutions does the following system of equations have?

Mathematics
1 answer:
dybincka [34]3 years ago
8 0
I am pretty sure the answer is A.One
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Decide if the expressions in each pair are equivalent. Explain how you know.
iren2701 [21]

Answer:

x+x+x+x = 4x

5x ≠ x+5

Step-by-step explanation:

x+x+x+x, there are 4 x's, which means they equal to 4x

5x means there are 5 x's, so 5x = x+x+x+x+x, not x+5.

3 0
3 years ago
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I need help ASAP FREE BRAINLIST
frosja888 [35]

Answer:

d

Step-by-step explanation:

 

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3 years ago
Three hours ago, the temperature was - 2°F. Now the temperature is 6°F. What was the change in temperature for the past 3 hours?
suter [353]

Answer:4 degrees Fahrenheit

Step-by-step explanation:

5 0
3 years ago
Juana tiene en su tienda un costal con 28 libras de azucar.Hizo seis paquetes de 2,5 kg cada uno,de los cuales vendio cinco.¿Cua
Likurg_2 [28]

Answer:

Al comienzo Juana tiene 28 libras de azúcar.

Ella hace 6 paquetes de 2.5kg cada paquete.

Entonces, entre los 6 paquetes, hay:

6*2.5kg = 15kg de azúcar.

Ahora el problema es que tenemos dos unidades distintas, kilogramos y libras.

Aca podemos usar la relación:

1k = 2.2lb.

Entonces 15kg de azúcar son 15 veces 2.2 libras:

15kg = 15*2.2lb = 33lb.

Esto nos da mas de lo que hay originalmente en el costal.

Ahora si lo pensamos como:

Solo vendió 5 paquetes de 2.5kg, entonces el sobrante queda en el costal inicial:

5*2.5kg = 12.5kg

De vuelta, 1kg = 2.2lb

12.5kg = 12.5*2.2lb = 27.5lb

En este caso hay un sobrante de:

28lb - 27.5lb = 0.5lb

6 0
4 years ago
Number of Chocolate Chips Number of Chocolate CH
PolarNik [594]

Answer:

the spread for brand a and b are equal

Step-by-step explanation:

Brand A range = 22 − 18 = 4

Brand B range = 18 − 14 = 4

4 − 4 = 0

5 0
3 years ago
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