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Bad White [126]
4 years ago
5

Which set of statements always have the same truth value

Mathematics
1 answer:
Artemon [7]4 years ago
5 0
Your answer is D Conditional and Contrapositive because its not C because its not inverse has something to do with operations Its not B because again it has Inverse and Inverse has something to do with operations and when it came down to A, and D I choose D because A has converse and that's usually simplifying equations.                                                                                                                                                    Your answer is D.
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g Suppose a kind of disease exists within 1% of the population and a certain test can help diagnose it. If someone has the disea
likoan [24]

Answer:

0.0392 = 3.92% probability that the test result is positive.

Step-by-step explanation:

Probability of a positive test:

95% of 1%(person has the disease)

100 - 97 = 3% of 100 - 1 = 99%(person does not have the disease).

What is the probability that the test result is positive?

p = 0.95*0.01 + 0.03*0.99 = 0.0392

0.0392 = 3.92% probability that the test result is positive.

4 0
3 years ago
$(x) = -22 +22. - 114
galina1969 [7]

Answer:

a

Step-by-step explanation:

5 0
3 years ago
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Your family picked apples over the weekend. 1/8 of the apples picked were golden delicious and 1/4 were McIntosh. The remaining
SVEN [57.7K]

Answer:

5/8

Step-by-step explanation:

1/4=2/8

2/8+1/8=3/8

8/8-3/8=5/8

6 0
3 years ago
Identify the vertex of y = x^2 + 4x + 5
docker41 [41]

Answer:

D. (-2,1)

Step-by-step explanation:

we have

y=x^2+4x+5

This is the equation of a vertical parabola open upward The vertex represent a maximum

Convert the quadratic equation in vertex form

y=a(x-h)^2+k

where

(h,k) is the vertex

Complete the square

y=(x^2+4x+2^2)+5-2^2

y=(x^2+4x+4)+5-4

y=(x^2+4x+4)+1

Rewrite as perfect squares

y=(x+2)^2+1

The vertex is the point (-2,1)

3 0
4 years ago
HELPPP NOWW You have $3000 to enclose a rectangular piece of property with a fence. The fence costs $9 per foot. A scale drawing
cluponka [151]

You have xxxxx to xxxxxxx x xxxxxxxxxxx piece xx property with x xxxxxx The xxxxx costs xx per xxxxx x scale drawing of the xxxxxxxx xxx a xxxxxx xx x xxxxxx and a xxxxx of x inches. The scale xx 1 in. x 12 ft. How much will xx cost xx enclose xxx property with the fence? Do you have enough xxxxxx

 

1 xxxxx x 12 ft

x inches   xxxx

x x x inches x 12 xxxx inche = xx

x x 96 xx

L = xx ft

 

1 inche x 12 ft

7 inches = x

x = 7 xxxxxx x 12 ft/1 inche = 84ft

x x xx ft

x x xx xx

 

xxx much xxxx xx xxxx to enclose the xxxxxxxx with the fence?

P = Perimeter

x x 2L + 2W

x = xxxxx + xxxxx = 192 x xxx = xxx

P = xxx xx

 

 

xx * xxx ft x xxxxxx

 

xx you have xxxxxx money?

Because, $ 3,000 xx xxxx xxxx x xxxxx

xxx I xx xxx have xxxxxx money

<span>xx</span>

6 0
3 years ago
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