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ValentinkaMS [17]
3 years ago
5

Find the unknown side of the triangle. Urgent

Mathematics
1 answer:
kramer3 years ago
4 0

Answer:

13 in

Step-by-step explanation:

It’s a right triangle, so use the Pythagorean Theorem.

12²+5²=c²

144+25=c²

169=c²

√169=c

13=c

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Westkost [7]
Philip equation
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8 0
3 years ago
A screening test for a disease shows a positive result in 91% of all cases when the disease is actually present and in 7% of all
Jobisdone [24]

Answer:

0.0713 = 7.13% probability that the result is positive.

Step-by-step explanation:

Probability of a positive test:

91% of 1/650(has the disease).

7% of 1 - 1/650 = 649/650(does not have the disease). So

p = 0.91\frac{1}{650} + 0.07\frac{649}{650} = \frac{0.91 + 0.07*649}{650} = 0.0713

0.0713 = 7.13% probability that the result is positive.

4 0
2 years ago
Is 2/5 equal to 0.4 please help me
igor_vitrenko [27]
1/5 is 2% or 0.2, therefor 2/5 is 4% or 0.4
8 0
3 years ago
Help me with question number 3 please!!!
grin007 [14]

Answer: please mark brainlyest

Step-by-step explanation:

5 0
2 years ago
A number changed to 3.25 after it was rounded. To what place was the number rounded?
aalyn [17]

The number was rounded to the nearest hundredth.

Before it was rounded, it was somewhere between  3.2450  and  3.2549999 .
 
5 0
3 years ago
Read 2 more answers
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