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anzhelika [568]
2 years ago
11

Which ordered pair is a solution to the equation y = 6x - 4?

Mathematics
1 answer:
nevsk [136]2 years ago
5 0
y= 2 and x= 1
because 6 * 1 = 6
6 - 4 = 2
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What is the discriminant of the quadratic equation
kkurt [141]
The discriminant is  b^2 -4ac
a = 1
b = -2
c = 4

discriminant = 4 -4 * 1 * 4 =
4  -16 =
 -12
I get MINUS 12 as the answer but that isn't one of the choices.





7 0
3 years ago
A soda bottling company’s manufacturing process is calibrated so that 99% of bottles are filled to within specifications, while
bija089 [108]

Answer:

The probability that the assembly line will be shut down is 0.00617.

Step-by-step explanation:

We are given that a soda bottling company’s manufacturing process is calibrated so that 99% of bottles are filled to within specifications, while 1% is not within specification.

Every hour, 12 random bottles are taken from the assembly line and tested. If 2 or more bottles in the sample are not within specification, the assembly line is shut down for recalibration.

Let X = <u><em>Number of bottles in the sample that are not within specification</em></u>.

The above situation can be represented through binomial distribution;

P(X=r)=\binom{n}{r} \times p^{r}\times (1-p)^{n-r};x=0,1,2,3,.....

where, n = number of trials (samples) taken = 12 bottles

             x = number of success  = 2 or more bottles

            p = probabilitiy of success which in our question is probability that  

                 bottles are not within specification, i.e. p = 0.01

So, X ~ Binom (n = 12, p = 0.01)

Now, the probability that the assembly line will be shut down is given by = P(X \geq 2)

  P(X \geq 2) = 1 - P(X = 0) - P(X = 1)

                 = 1-\binom{12}{0} \times 0.01^{0}\times (1-0.01)^{12-0}-\binom{12}{1} \times 0.01^{1}\times (1-0.01)^{12-1}

                 = 1-(1 \times 1\times 0.99^{12})-(12 \times 0.01^{1}\times 0.99^{11})

                 = <u>0.00617</u>

8 0
3 years ago
What type of transformation transforms (a,b) to (-a,b)
Ugo [173]
Sus subsistíais ve. D s s d d s d f
4 0
2 years ago
PLEASE HELP MATHS! ​
mojhsa [17]

Answer:

what the choices?

Step-by-step explanation:

8 0
3 years ago
If 30 marbles were to divided between 7 people how much each person will get ?
kirza4 [7]
Hi,

Here is the equation.
30 \div 7 = 4.28
Each person would get 4.28 marbles.

Hope this helps.
r3t40
3 0
3 years ago
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