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marusya05 [52]
3 years ago
7

Help!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
kiruha [24]3 years ago
6 0
The answer is C! A few are right but C is the best answer like it says
Salsk061 [2.6K]3 years ago
3 0
C IS THE BEST ANSWER HOPE IT HELPS!!
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Is it possible to have a triangle with 150 20 20 degrees angle and why ?
OLga [1]

No, it is not possible.  The total measure of all angles in a triangle must be 180.  If you add these three together, you get 190.

4 0
3 years ago
Suppose a certain drug test is 85% accurate, meaning that if a person is a user, the result is positive 85% of the time, and if
kakasveta [241]

Answer:

29.411 %  of the result is true.

Step-by-step explanation:

This test's sensitivity is low.

Suppose we have 5 drug users and 85% of the test is accurate meaning that 5* 0.85= 4.25 people are drug users which is true.

But if work for the non users than 5% people being drug users means 95 people are non drug users out of the hundred.

And 85 % accuracy would give  95* 0.85= 80.75 which is very high.

And out of the 80.75 * 15%= 12.11 only 12 are positive .

The results give us  5 out of 17  true possibilities

or 5/17 *100= 29.411 %  of the result is true.

8 0
3 years ago
z varies directly with x^2 and inversely with y. When x = 2 and y = 4, z = 3. What is the value of z when x = 4 and y = 9?
Aloiza [94]
Attached the solution and work.

5 0
3 years ago
A standard six-sided die is rolled. what is the probability of rolling a number equal to 3? express your answer as a simplified
alexandr402 [8]

there is 1 number 3 on a 6 sided die

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4 0
3 years ago
What is the expression in factored form x^2+13x+42
omeli [17]
The correct answer is (x+6)(x+7). Great job.
8 0
3 years ago
Read 2 more answers
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