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zvonat [6]
3 years ago
15

The absolute value of this number is less than 1/2 but greater than 1/10

Mathematics
1 answer:
Anastasy [175]3 years ago
6 0
Ok, so I assume this is an equation because there could be multiple exact answers

1/10 < |x| < 1/2
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Sofia vai colar um pedaço de barbante no contorno de uma moldura quadrada de lado 20 cm. Qual deverá ser o comprimento desse bar
Tom [10]

Answer:

A corda deve ter um comprimento mínimo de 80 cm.

The string should have a minimum length of 80 cm.

Step-by-step explanation:

Espera-se que a corda seja colada em todo o contorno da moldura quadrada.

Isso significa que a cadeia precisa cobrir pelo menos todo o perímetro da moldura quadrada pelo menos uma vez.

Perímetro de um quadrado = 4L

L = comprimento lateral do quadrado.

O comprimento lateral da moldura quadrada = 20 cm

Comprimento mínimo da corda necessária = Perímetro da moldura quadrada = 4 × 20 = 80 cm.

Espero que isto ajude!!!!

English Translation

Sofia is going to glue a piece of string to the outline of a square frame 20 cm from the side. How long should this string be?

Solution

The string is expected to be glued all around the outlne of square frame.

This means the string needs to at least cover the whole perimeter of the square frame a minimum of one time.

Perimeter of a square = 4L

L = side length of the square.

The side length of the square frame = 20 cm

Minimum length of the string required = Perimeter of the square frame = 4 × 20 = 80 cm.

Hope this Helps!!!!

3 0
3 years ago
1. Describe how factoring a quadratic expression ax2 + bx + c, where a ≠ 1, is different from factoring x2 + bx + c.
Afina-wow [57]
1.  Factoring a quadratic expression ax2 + bx + c, where a ≠ 1, is different from factoring x2 + bx + c because for the former type of expression you have to factor out the value of "a". Then, proceed to the factoring steps as usual.

2. To confirm the equations to be equal with the parent function we do as follows:
<span> (2x – 4)(x + 5) = 2x^2 + 10x - 4x - 20 = 2x^2 + 6x -20
</span><span>(x – 2)(2x + 10) = 2x^2 +10x - 4x -20 = 2x^2 +6x - 20

3. The roots of the quadratic expression represents the values of x that would satisfy the expression. The x-intercepts are the values of x when y is equal to zero, it is where the plot touches intersects the x-axis.</span>
4 0
3 years ago
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Round 23,879 to the nearest thousand
Vlad [161]
23, 879 to the nearest thousand.

The thousand digit is  the 3, and we look at the digit after 3, which is 8, since 8 is more than 5, we round up the 3 to 4.

Therefore 23, 879 to the nearest thousand ≈ 24, 000

I hope this explains it.
3 0
3 years ago
How can you find 27 + (-40)
Viefleur [7K]

Answer:

27 + (-40) = -13

Step-by-step explanation:

27 + (-40)

= 27 - 40

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Gnoma [55]

Answer:

good morning I was just asking when will I be

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