3 years ago

How many edges does a 3D pentagon have

Mathematics

1 answer:

lara31 [8.8K]3 years ago

5 0

Answer:

15 edges and 7 faces and 10 vertices

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Simplify -4(x+6)+2(x-2)

kati45 [8]

Answer:

$-2x-28$

Step-by-step explanation:

We can apply the distributive property then combine like terms for a simpler equation.

$-4(x+6)+2(x-2)\\\\-4x-24+2x-4\\\\-2x-28$

Hope this helped!

6 0

2 years ago

Read 2 more answers

#14

Delicious77 [7]

Answer:

The answer is equivalent

5 0

2 years ago

(I NEED THIS ANSWERED QUICKLY! I WILL GIVE BRAINLIEST TO FIRST CORRECT ANSWER!)

dezoksy [38]

Answer:

Step-by-step explanation:

literlay just count

3 0

3 years ago

What is the solution to the system of equations<br><br> y=2x-3.5<br><br> x-2y=-14

PIT_PIT [208]

Y-2x=-3.5
x-2y=-14
then multiply the first term by 2
2y-4x=-7
x-2y=-14
then sum them
-3x=-21
x=-7
y=3.5

5 0

3 years ago

For a segment of a radio show, a disc jockey can play 10 records. there are 14 records to select from, in how many ways can the

mixas84 [53]

The formula of combination is

$nCr= \frac{n!}{(n-r)!r!}$

We have $n=14$ and $r=10$

$14C10= \frac{14!}{(14-10)!10!} = 1001$

Hence, there are 1001 ways of arranging 10 records from 14 records

3 0

2 years ago