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Olin [163]
3 years ago
7

Multiply. give your answer in standerd form. (3n^2+2n+4)(2n-1)

Mathematics
2 answers:
astra-53 [7]3 years ago
6 0
The answer is 6n^3+n^2+6n-4 :)
mr Goodwill [35]3 years ago
5 0
The answer is 6n^3+n^2+6n-4 I hope I helped you!
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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
3 years ago
If y varies directly as x, and y is 20 when x is 4, what is the constant of variation for this relation?
arlik [135]

Answer:

5

Step-by-step explanation:

20/5 = 5/1

so the answer is c

4 0
3 years ago
Read 2 more answers
Write the sentence as an equation. The product of r and 338 plus 97 is the same as r.
Vitek1552 [10]

Answer:

Step-by-step explanation:

To write this sentence as equation

We get

r×338+97=r

338r+97=r

To solve further

r-338r=97

-337r=97

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8 0
3 years ago
To the nearest mile, what is the total distance that he ran?
ioda

Answer:

where's the picture. to the nearest mile...

Step-by-step explanation:

;-;

7 0
3 years ago
Marco went to the cafeteria to buy chicken sandwiches, C, worth $2.00, and hamburgers, h, worth $2.50.
yaroslaw [1]

Answer:

5 Hamburgers  = $12.50 4 Chicken sandwiches $8.00( $12.50 + $8.00 = $20.50

Step-by-step explanation:

6 0
3 years ago
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