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4 years ago

2+3(67x34 =y =? Pls answer this I need the answer now you’ll get 35 points

Mathematics

2 answers:

aleksandr82 [10.1K]4 years ago

7 0

Answer:

yeah ^

Step-by-step explanation:

Nonamiya [84]4 years ago

3 0

Assuming you meant 2+3(67x34)=y
67x34=2278
2+3(2278)=y
5(2278) or 5x2278=y
y=11390

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Suppose that, for every lot of 100 computer chips a company produces, an average of 1.4 are defective. Another company buys many

Vesna [10]

Answer:

$P(X\leq 3)= P(X=0) +P(X=1)+P(X=2) +P(X=3)$

And we can find the individual probabilities like this:

$P(X=0) =1.4^0 \frac{e^{-1.4}}{0!}= 0.2466$

$P(X=1) =1.4^1 \frac{e^{-1.4}}{1!}= 0.3452$

$P(X=2) =1.4^2 \frac{e^{-1.4}}{2!}= 0.2417$

$P(X=3) =1.4^3 \frac{e^{-1.4}}{3!}= 0.1128$

And replacing we got:

$P(X\leq 3)= P(X=0) +P(X=1)+P(X=2) +P(X=3)=0.2466+ 0.3452+0.2417+0.1128=0.9463$

Step-by-step explanation:

Definitions and concepts

The Poisson process is useful when we want to analyze the probability of ocurrence of an event in a time specified. The probability distribution for a random variable X following the Poisson distribution is given by:

$P(X=x) =\lambda^x \frac{e^{-\lambda}}{x!}$

And the parameter $\lambda=1.4$ represent the average ocurrence rate per unit of time.

Solution to the problem

For this case the batch would be rejected if we found more than 3 defects, so then the probability of accept the batch would be given by:

$P(X\leq 3)= P(X=0) +P(X=1)+P(X=2) +P(X=3)$

And we can find the individual probabilities like this:

$P(X=0) =1.4^0 \frac{e^{-1.4}}{0!}= 0.2466$

$P(X=1) =1.4^1 \frac{e^{-1.4}}{1!}= 0.3452$

$P(X=2) =1.4^2 \frac{e^{-1.4}}{2!}= 0.2417$

$P(X=3) =1.4^3 \frac{e^{-1.4}}{3!}= 0.1128$

And replacing we got:

$P(X\leq 3)= P(X=0) +P(X=1)+P(X=2) +P(X=3)=0.2466+ 0.3452+0.2417+0.1128=0.9463$

5 0

4 years ago

Which equation has roots -3 and 4

RSB [31]

Answer:

x^2 - x - 12 (this is the second answer choice)

Step-by-step explanation:

Multiply (x + 3)(x - 4) and simplify the result:

x^2 - 4x + 3x - 12, or x^2 - x - 12 (this is the second answer choice)

4 0

3 years ago

The number of passengers on a certain bus at any given time is given by the equation P = –2(S – 4)2 + 32, where P is the number

KiRa [710]

Answer: S = 8

Step-by-step explanation:

If the bus begins its route with no passengers, that is P = 0

P = –2(S – 4)2 + 32 = 0

(- 2S + 8)4 = - 32

-8S + 32 = - 32

-8S = - 64

S = 64/8 = 8

The value of S when the bus has its greatest number of passengers?

4 0

4 years ago

What is the perimeter of parallelogram WXYZ

Tomtit [17]

Answer:

Step-by-step explanation:

Given a parallelogram with points

X(4, 0)

W(0, -1)

Y(3, -2)

Z(-1, -3)

We want to find the perimeter, perimeter is the total sum of the lengths

So, we need to find the length of the sides using distance between two points

D = √(x2-x1)² + (y2-y1)²

So, applying this

WX = √(0-4)²+(-1-0)² = √(16 + 1) = √17

XY = √(4-3)² + (0--2)² = √(1+4) = √5

Since the opposite sides of a parallelogram are equal, we don't need to find the other length

Then,

Perimeter = 2(WX + XY)

Perimeter = 2(√17 + √5)

Perimeter = 2√17 + 2√5

The correct answer is B.

8 0

3 years ago

5x - 3

valentina_108 [34]

PQ is bisected by line <em>L</em>.

so the answer is C

PQ=14

Step-by-step explanation:

5x-3=11-2x

5x+2x=11+3

7x=14

x=2

replace X in any of the given distance equation then multiply by 2 since the distance Pm=Qm

PQ=2(11-2x)

2(11-2(2))

2(7)

Therefore PQ=14

5 0

3 years ago