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sineoko [7]
3 years ago
13

Eduardo thinks of a number between 1 and 20 that has exactly 5 factors. What number is he thinking of?

Mathematics
2 answers:
Marysya12 [62]3 years ago
5 0
Ok. The number he was thinking of was 16 because the factors of 16 is 1;2;4;8;16. Because when multiplying 1 and 16 it would be 16 and the other factors 4 and 4 multiplied together would also equal to 16. When dividing 16 and 8 you can get 2 another factor.
Pepsi [2]3 years ago
4 0
16- 2,8,1,16,4 ... I think he Is thinking of the number 16
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3. Yaritza and Eddy race to school on their bikes. Yaritza bikes 2 miles in 12 minutes, and
boyakko [2]

Answer:

Eddy

Step-by-step explanation:

2/12 = .166666666

3/15 =.2

.2 is faster

4 0
3 years ago
6. Use the element method and proof by contradiction to prove that for any sets A,B and C, if B nCCA, then (C - A) n (B - A)=0.
o-na [289]

Answer:

Suppose,

(C - A) ∩ (B - A) ≠ ∅

Let x is an element of (C - A) ∩ (B - A),

That is, x ∈ (C - A) ∩ (B - A),

⇒ x ∈ C - A and x ∈ B - A

⇒ x ∈ C, x ∉ A and x ∈ B, x ∉ A

⇒ x ∈ B ∩ C and x ∉ A

⇒ B ∩ C ⊄ A

But we have given,

B ∩ C ⊂ A

Therefore, our assumption is wrong,

And, there is no common elements in (C - A) and (B-A),

That is,  (C - A) ∩ (B - A) = ∅

Hence proved...

8 0
3 years ago
What should be done to both sides of the equation in order to solve w - 9 = 15?
lutik1710 [3]

Answer:

Add 9

Step-by-step explanation:

You want to isolate the variable w

7 0
3 years ago
Read 2 more answers
What does origin mean
Artemon [7]

Answer: (0,0) on a coordinate plane

Step-by-step explanation:

The word origin has many definitions, but I see that you put this topic question under mathematics, So you are talking about an origin on a coordinate plane.

Origin means start or beginning, on a coordinate plane (Consisting of two lines, one vertical, the y-axis and one being horizontal, which is the x-axis), you would find the Origin in the middle of the place that the x-axis and the y-axis intersect

In the area where those axis's intersect is known as the origin and is also known as the points (0,0)    

8 0
3 years ago
What percent of 32 is 21? Round your answer to the nearest tenths
bazaltina [42]

Answer:

65.63%

Step-by-step explanation:

21: 32*100 =

(21*100): 32 =

2100: 32 = 65.63

4 0
4 years ago
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