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miskamm [114]
3 years ago
14

How to solve -4(x+3)=-20

Mathematics
1 answer:
irakobra [83]3 years ago
6 0

Answer:

-4(x+3)=-20

-4x+12=-20

-4x=-20-12

-4x=-32              //-1

4x=32

x=32/4

x=8

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¿Qué hora es? Si el cuadrado de la mitad del
AVprozaik [17]

Answer:

Si el cuadrado de la mitad del número de horas que faltan transcurrir del día coinciden con el número de horas transcurridas del día, son las 16:00 hs.

Step-by-step explanation:

Si el cuadrado de la mitad del número de horas que faltan transcurrir del día coinciden con el número de horas transcurridas del día, son las 16:00 hs.

Esto es así porque, como primera medida, la mitad de horas que faltan transcurrir del día no puede ser mayor a 4, puesto que 5 al cuadrado da como resultado 25, es decir, excede el número de horas que tiene un día.

Entonces, siguiendo con dicho razonamiento en sentido decreciente, tenemos que 4 al cuadrado da como resultado 16 (4 x 4). En este caso, 4 sería la mitad de horas que faltan transcurrir en el día, y 16 las horas ya transcurridas. Entonces, como 16 mas 8 da 24, y esa es la cantidad de horas que tiene el día, ésta es la opción correcta.

4 0
4 years ago
When Hugo is serving at a restaurant, there is a 0.03 probability that each party will request a high chair
tino4ka555 [31]

Answer:

.26

Step-by-step explanation:

P=(at least one high chair)

= 1−P(none of 10 with high chair)

= 1−(0.97)

      10

≈ 1−0.7374

≈ 0.2626

Rounded to the nearest hundred is .26

​

4 0
3 years ago
The dimensions of an office conference room are 8 feet by 16 feet. If the conference room blueprint dimensions are 4 centimeters
Juliette [100K]
8 x 16 = 128, so its considered as the first side of the room blueprint.
4 x 8 = 32. 128 / 32 = 4. 4 is your answer!
7 0
4 years ago
13
Zolol [24]

Answer:

Step-by-step explanation:

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8 0
3 years ago
Which expressions are equivalent to the given expression?
liraira [26]

2\sqrt{10} is equivalent to the expression \sqrt{40}

entire to mixed radical:

\sqrt{40} \\\sqrt{4\ x\ 10} \\2\sqrt{10}

decimal value:

2\sqrt{10}=6.32....\\\sqrt{40}=6.32...

3 0
2 years ago
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