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k0ka [10]
2 years ago
5

-6 - (-9) thats it i just need help with that

Mathematics
1 answer:
damaskus [11]2 years ago
4 0

Answer:

the answer is three

Step-by-step explanation:

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Assignment
Ratling [72]

Answer:

8267

Step-by-step explanation

6 0
2 years ago
Suppose Q and R are independent events. Find P(Q and R). P(Q) = 0.87, P(R) = 0.51
eimsori [14]

Answer:

0.4437

Step-by-step explanation:

First we will define independent events.

Two events are said to be independent when the occurrence of one event doesn't affect the probability of occurrence of second event.

Given

P(Q)=0.87

and  

P(R)=0.51

The probability of independent events is given as:

P(Q∩R)=P(Q)*P(R)

=0.87*0.51

=0.4437

So the probability of Q and R is 0.4437 ..  

5 0
3 years ago
What composite number between 50 and 60 both of the factors that form are prime numbers themselves which number is it?
Orlov [11]
51 = 3 * 17, sum of 20, no good. 
<span>52 = 2 * 2 * 13, sum of 17, no good. </span>
<span>54 = 2 * 3 * 3 *3, sum of 11. </span>

<span>The answer is 54. If you need more help, let me know.</span>
6 0
3 years ago
What times 1/2 equals -7/3
erastovalidia [21]

Answer:

2.8? maybe or 17/6

Step-by-step explanation:

8 0
3 years ago
Leo reads 14 pages in 1/2 hour. What is the unit rate for pages per hour? For hours per page?
SVEN [57.7K]

Answer:

1:28 |  1:1/28

Step-by-step explanation:

We can show the first two numbers as a ratio:

14:1/2

But we want that second number to be 1 so we can multiply by 1:

28:1 <------ Pages per hour

But now we need the left to be 1, so we divide by 28:

1/28:1

Then flip:

1:1/28

6 0
3 years ago
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