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slamgirl [31]
3 years ago
5

Is a polyhedron basically a 3-D shape?

Mathematics
2 answers:
bazaltina [42]3 years ago
8 0
Yep! Poly means "many," and hedron means "face." It quite literally means many faces.
e-lub [12.9K]3 years ago
8 0
A polyhedron is a 3-D shape but it is the 3-D form of a 2-D shape from a pentagon upwards.
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Choose the equation below that represents the line passing through the point (2, - 5) with a slope of −3.
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Answer:

the equation of the line is y=-3x+1

have a great day! hope this helped :D

8 0
3 years ago
A)Simplify the expression and explain each step. 12 + 3(2y - 3) (B)Factor the expression completely. 18b - 12 (As you solve thes
Anika [276]

Answer:

  • A) 6y +3
  • B) 6(3b -2)

Step-by-step explanation:

A) Use the distributive property to eliminate parentheses. Then combine like terms. (The only "like terms" are the constants.)

... = 12 +3·2y +3·(-3) . . . use the distributive property to multiply each term in parentheses by the factor 3 outside those parentheses

... = 12 +6y -9 . . . . . . . . simplify

... = 6y + (12 -9) . . . . . . group like terms together

... = 6y + 3 . . . . . . . . . . simplify

___

B) Look for factors of each term that are also found in the other term.

... 18b has factors 3×6×b

... 12 has factors 2×6

The only common factor is 6, so we factor that out using the distributive property.

... 18b -12 = 6(3b -2)

_____

<em>Comment on factoring</em>

For factoring problems, it helps immensely if you know your times tables and some of the rules for divisibility. (Even numbers are divisible by 2, numbers ending in 0 or 5 are divisible by 5, numbers whose sum of digits is divisible by 3 are divisible by 3, for example.)

3 0
4 years ago
2 divided by one third
Jobisdone [24]
2 / 1/3
= 2* 3/1
= 2*3
= 6
4 0
3 years ago
Read 2 more answers
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lyudmila [28]

Answer:

-3

Step-by-step explanation:

p(x) = x^2-6x+5

Let x= 4

p(4) = 4^2-6(4)+5

Exponents first

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Multiply

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Add and subtract

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   = -3

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3 years ago
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They are mad as easy try it on your own your answer is suppose to be 80
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