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irinina [24]
3 years ago
14

For the polyhedron, use Euler's Formula to find the missing number.

Mathematics
1 answer:
ss7ja [257]3 years ago
3 0

Answer:

5 faces

Step-by-step explanation:

Euler's formula for polyhedra states that

F + V - E = 2 ( F is faces, V is vertices and E is edges ), thus

F + 5 - 8 = 2, that is

F - 3 = 2 ( add 3 to both sides )

F = 5

Thus number of faces is 5

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Help me with this question need to get to 100!
notka56 [123]

Pythagorean theorem

{a}^{2}  +  {b}^{2}  =  {c}^{2}

Solve for b.

b =  \sqrt{ {c}^{2} -  {a}^{2}  }

b = 5.3 inches

7 0
3 years ago
Which function's domain consists of all real numbers except -2?
mixas84 [53]

Answer:

Choice A

Step-by-step explanation:


A restriction of just a point is a hole,  which means it is in the denominator

To determine this, we look at the denominators,

B and C do not have denominators,  

Square roots cannot be negative, so they have larger restrictions

for D  x+2 ≥0

           x≥-2

Choice A  is the only option that has a restriction that is a hole

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x≠-2


3 0
3 years ago
WILL
IRISSAK [1]

Answer:

-10, -|-8|, -(-2), |-11|, 5²

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Joey wants to read 2,000 pages by the end of the summer. He has already read 1,250 pages. The rest of his reading will be spread
Rama09 [41]

Answer:

150 pages

Step-by-step explanation:

want to read 2,000 pages

already read 1,250 pages

Number of pages left to read

= 2000-1250

= 750

Rest of the reading spread over 5 weeks

wants to read same number of pages each week

Number of pages that need to be read each week over 5 weeks

= Number of pages left to read / total number of weeks

=750 / 5

= 150

He will need to read 150 pages a week.

8 0
3 years ago
The mean of five numbers is 16.4 .
vredina [299]

Answer:

11

Step-by-step explanation:

11

8 0
4 years ago
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