2 years ago

Someone pls help with this<3

Mathematics

1 answer:

Strike441 [17]2 years ago

8 0

Answer: No

Step-by-step explanation:

The sum of exterior angles in a polygon is always equal to 360 degrees.

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a bricklayer needs to order 6300kg of building sand.one grain of this sand weighs 7x10^-5. how many grains of sand are there in

gavmur [86]

Answer:

44.1 x 10^-2

Step-by-step explanation:

Since one grain

= 7 x 10^-5

6300kg = 7 x 10^-5 x 6300

Put 6300 in standard form

7 x 10^-5 x 6.3 x 10^3

Multiply the whole numbers and add the exponents

7 x 6.3 x 10^-5 + 3

44.1 x 10^-2

There are 44.1 x 10^-2 grains of sand in 6300kg

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3 years ago

I do not understand this problem

Vesnalui [34]

Answer:

16c² + 32cd + 16d²

Step-by-step explanation:

A polynomial is an expression consisting of variables and coefficients. For example, $4x^3+3x^2+6x-4$ is an example of a cubic polynomial.

Area of a square = side length x side length

Therefore, given the side length of this square is 4c + 4d, then the area can be expressed as:

area = (4c + 4d) x (4c x 4d) = (4c + 4d)²

If we expand the brackets we get:

area = 16c² + 32cd + 16d²

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2 years ago

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ira [324]

Answer:

x=5

Step-by-step explanation:

(-2)(-3) =(-2)(x)=-4

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3 years ago

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Dima020 [189]

Answer:

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Hence the second term is 5b which means the value is 5

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3 years ago

Is -95 an irrational number

Hunter-Best [27]

Answer:

I think it is????

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