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3 years ago

14

Composite numbers are numbers greater than 1 that are not____.

2 answers:

hram777 [196]3 years ago

7 0

10

A composite number is a positive integer. which is not prime (i.e., which has factors other than 1 and itself). The first few composite numbers (sometimes called "composites" for short) are 4, 6, 8, 9, 10, 12, 14, 15, 16, ... (OEIS A002808), whose prime decompositions are summarized in the following table.

andriy [413]3 years ago

6 0

Prime is the answer

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A certain lot consisting of ten items has three defective items and seven nondefective items. How many possible subsets of 2 ite

Charra [1.4K]

Answer:

45

Step-by-step explanation:

The order in which the items are chosen is not important. So we use the combinations formula to solve this question.

Combinations formula:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

How many possible subsets of 2 items can be chosen from this lot?

Combinations of 2 from a set of 10. So

$C_{10,2} = \frac{10!}{2!(10-2)!} = 45$

4 0

3 years ago

What are the steps to solve 3(x-3)+2x+9=2x + 2(x-1

Blababa [14]

Step-by-step explanation:

3x - 9 +2x + 9 = 2x - 2

5x = 2x - 2

5x - 2x = - 2

3x = - 2

x= - 2/ 3

5 0

4 years ago

True of false !!! The triangle shown below must be congruent

user100 [1]

False.

Right triangles do not have to be congruent.

:)

6 0

3 years ago

Read 2 more answers

How would I solve this problem in steps pls

gregori [183]

In order to solve for a, we must isolate it. To do this, we should add c to both sides, making a the only term on the left.

Final answer: a=c+d-r

3 0

3 years ago

Based on your value of x in question #1, what is the value for ∠EHF

Ludmilka [50]

Answer:

∠EHF = 132°

Step-by-step explanation:

Both angles lie on a straight line.

=====================

∠EHF + ∠FHG = 180°

2(x) + 48° = 180°

2(x) = 180° - 48°

2(x) = 132°

x = 66°

Then ∠EHF :

2(x)

2(66)

132°

6 0

2 years ago