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olga55 [171]
2 years ago
11

Estimate 4704 - 1193 by first rounding each number to the nearest hundred.

Mathematics
2 answers:
kondor19780726 [428]2 years ago
8 0

Answer:

4700 minus 1200 = 3500

Step-by-step explanation:

round 4704 down to 4700 and 1193 up to 1200

jok3333 [9.3K]2 years ago
5 0

Answer:

4704 - 1193 ≈ 3,500

Step-by-step explanation:

We are given the first step to round each number to the nearest hundred.

=====================================

4,704 can be rounded down since the rounding digit (zero) is less than or equal to 4.

4,704 ≈ 4,700

1,193 can be rounded up since the rounding digit (nine) is greater than more equal to 5.

1,193 ≈ 1,200

=====================================

We will now take the difference of these two numbers:

4700 - 1200 = 3500

=====================================

<em>Hope this helps! </em>

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What are the roots of this equation?
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Answer:

x = 2 ± (i)√5  (Answer b)

Step-by-step explanation:

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Completing the square is fast here:

Rewrite x²-4x+9=0 as   x²-4x                    +9=0

Identify the coefficient of the x term:  it is -4

Take half of that, obtaining -2

Square this result, obtaining 4

Add 4 to   x²-4x                    +9=0, in the blank space in the middle, and then subtract 4:      x²-4x +4          -4         +9=0

Rewrite           x²-4x +4 as the square of a binomial:

                          (x - 2)² - 4 + 9  = 0  →    (x - 2)²  = -5

Take the square root of both sides:       x - 2  = ±√(-5)  =  ± (i)√5

Then x = 2 ± (i)√5

4 0
3 years ago
Un ascensor sube desde el primer piso al quinto piso, baja al segundo, sube al octavo. Si cada piso tiene 3 metros de altura, ¿c
german

Answer:

El ascensor recorrió unos 39 metros

Step-by-step explanation:

Segun la pregunta cada cada piso tiene 3 metros de altura, por lo tanto para calcular los metros que recorrió el ascensor tenemos que hacer el siguiente calculo:

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metros desde el quinto piso al segundo piso=3 metros*3=9 metros

metros desde el segundo piso al octavo piso=3 metros*6=18 metros

Por lo tanto los metros que recorrió el ascensor=12 metros+9 metros+18 metros

metros que recorrió el ascensor=39 metros

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8 0
3 years ago
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PSYCHO15rus [73]

Answer:

50.80 cm^3

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8 0
3 years ago
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Answer:

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