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quester [9]
3 years ago
5

What is the solution for the following equation? 2x+2=8

Mathematics
2 answers:
Stells [14]3 years ago
3 0

Answer:

3

Step-by-step explanation:

2x+2=8

2x=8-2

2x=6

x=6/2

x=3

Law Incorporation [45]3 years ago
3 0

Answer:

x=3

Step-by-step explanation:

2x+2=8

2x=8-2

2x=6

x=6/2

x=3

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Help please, thank you.
Dahasolnce [82]

Answer:

I also don't know the answer to this question

4 0
3 years ago
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A company purchases shipments of machine components and uses this acceptance 11) sampling plan: Randomly select and test 30 comp
Galina-37 [17]

Answer:

Probability that this whole shipment will be accepted is 0.7324.

Step-by-step explanation:

We are given that a company purchases shipments of machine components and uses this acceptance sampling plan: Randomly select and test 30 components and accept the whole batch if there are fewer than 3 defectives.

The above situation can be represented through Binomial distribution;

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

where, n = number of trials (samples) taken = 30 components

            r = number of success = fewer than 3

           p = probability of success which in our question is % rate

                 of defects, i.e; 6%

<em>LET X = Number of defective components</em>

So, it means X ~ Binom(n=30, p=0.06)

Now, Probability that this whole shipment will be accepted only when there are fewer than 3 defectives = P(X < 3)

P(X < 3) = P(X = 0) + P(X = 1) + P(X = 2)

= \binom{30}{0}\times 0.06^{0} \times (1-0.06)^{30-0}+ \binom{30}{1}\times 0.06^{1} \times (1-0.06)^{30-1}+ \binom{30}{2}\times 0.06^{2} \times (1-0.06)^{30-2}

= 1 \times 1 \times 0.94^{30}+ 30 \times 0.06^{1}  \times 0.94^{29}+ 435 \times 0.06^{2} \times 0.94^{28}

= 0.7324

Therefore, probability that this whole shipment will be accepted is 0.7324.

3 0
4 years ago
Help me with this please!!!!!!!!!
IrinaVladis [17]

Answer:

d = 17.58

Step-by-step explanation:

d = √(x2 - x1)^2 + (y2 - y1)^2 + (z2 - z1)^2

P1(0, 0, 0) P2(8, 7, 14)

Substitute the values in the above equation and you will get

d = √(8 - 0)^2 + (7 - 0)^2 + (14 - 0)^2

= √(64 + 49 + 196)

= √309

= 17.58

8 0
3 years ago
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X+2y=-6 in slope form
Lorico [155]

Answer:

1/2

I believe it would be 1/2

5 0
3 years ago
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Mrs. Smith is comparing the test grades between her morning and afternoon class.
lina2011 [118]

Answer:

it is b

Step-by-step explanation:

5 0
4 years ago
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