3 years ago

List three properties of nonmetals

1 answer:

7 0

I did this today so the properties of non metal are : No luster (dull appearance) Poor conductor of heat and electricity. Brittle (breaks easily) Not ductile. Not malleable. Low density. Low melting point.

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Zaira is getting 2 questions wrong per every seven. In total 245 questions how many is she getting wrong?

Ludmilka [50]

Answer:

70 questions

Step-by-step explanation:

You can make a proportion.

$\frac{2}{7} =\frac{x}{245}$

Multiply across:

7x=490

Divide by 7:

x=70

<u>Final answer</u>

70 questions

5 0

4 years ago

Use quadratic formula to find the solutions to the quadratic equation 2x^2-3x+6=0

defon

Answer:

2x² - 3x + 6 = 0

a = 2 b = -3 c = 6

delta = b² - 4ac = 9 - 4.2.6 = -39

$= > x = \frac{3 + \sqrt{39}i }{4} \: or \: x = \frac{3 - \sqrt{39} i}{4}$

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3 years ago

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Here are the dimensions, in cm, of four cuboids.

professor190 [17]

Answer:

C) 2 × 3 × 5

Step-by-step explanation:

Volume of a cuboid = lbh = 30 cm³

A) 1 × 1 × 5 = 5 cm³ ≠ 30 cm³

B) 5 × 10 × 15 = 750 cm³ ≠ 30 cm³

C) 2 × 3 × 5 = 30 cm³ ✔

D) 1 × 2.5 × 4 = 10 cm³ ≠ 30 cm³

=》The correct option is C) 2 × 3 × 5 as it makes 30 cm³, which is the required volume.

Hope it helps ⚜

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2 years ago

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The slope-intercept form of a linear equation is y = mx + b, where x and y are coordinates of an ordered pair, m is the slope of

Ierofanga [76]

Y = mx + b....subtract b from both sides
y - b = mx ....divide both sides by x
(y - b) / x = m

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3 years ago

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I really need help on this im bad at math anyway but i cant see graphs clearly first good answer will get brainliest Please help

emmainna [20.7K]

$\sin(b) = \frac{3}{4} \\ b = inverse \: sine \: of \: \frac{3}{4} = 48.6$

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3 years ago

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