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2 years ago

Terms written in the form a/b are fractions. For example 2/3. If you see 3 1/2 it should be 3 and 1/2

Mathematics

1 answer:

aliina [53]2 years ago

5 0

Answer:

7/2??

Step-by-step explanation:

Im not sure what you mean but 3 1/2 is the same thing as 7/2

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A new test has been developed to detect a particular type of cancer. The test must be evaluated before it is put into use. A med

Troyanec [42]

The tree diagram of the problem above is attached
There are four outcomes of the two events,

First test - Cancer, Second Test - Cancer, the probability is 0.0396
First test - Cancer, Second Test - No Cancer, the probability is 0.0004
First test - No Cancer, Second Test - There is cancer, the probability is 0.0096
First test - No cancer, Second Test - No cancer, the probability is 0.9054

The probability of someone picked at random has cancer given that test result indicates cancer is $\frac{0.0396}{0.0396+0.0096}= \frac{33}{41}$

The probability of someone picked at random has cancer given that test result indicates no cancer is $\frac{0.0396}{0.0004+0.9504} = \frac{99}{2377}$

7 0

2 years ago

How to find 62%of $400

gayaneshka [121]

Answer:

248

Step-by-step explanation:

Solution for What is 400 percent of 62:

400 percent *62 =

(400:100)*62 =

(400*62):100 =

24800:100 = 248

Now we have: 400 percent of 62 = 248

Question: What is 400 percent of 62?

Percentage solution with steps:

Step 1: Our output value is 62.

Step 2: We represent the unknown value with $x$.

Step 3: From step 1 above,$62=100\%.

Step 4: Similarly, x=400\%.

Step 5: This results in a pair of simple equations:

62=100\%(1).

x=400\%(2).

Step 6: By dividing equation 1 by equation 2 and noting that both the RHS (right hand side) of both

equations have the same unit (%); we have

\frac{62}{x}=\frac{100\%}{400\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{62}=\frac{400}{100}

\Rightarrow x=248

Therefore, 400 of 62 is 248

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2 years ago

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Doss [256]

Answer:

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Step-by-step explanation:

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2 years ago

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How many half-cubes are needed to fill in the gap of the box shown? O 4 half-cubes O 8 half-cubes O 12 half-cubes O 16 half-cube

o-na [289]

Answer:

8 half cubes

Step-by-step explanation:

8 half cubes

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2 years ago

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Simplify the following expression 4^-11/3÷4^-2/3<br>A.1/12<br>B.1/64<br>C.12<br>D.64

Goryan [66]

Question:

Simplify the following expression:

$4^{-\frac{11}{3}$ ÷ $4^{-\frac{2}{3} }$

A.1/12

B. 1/64

C.12

D.64

Answer:

B. 1/64

7 0

2 years ago