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3 years ago

Solve for x: 2/3 (x − 2) = 4x.

Mathematics

2 answers:

Vsevolod [243]3 years ago

7 0

Answer:

-2/5

Step-by-step explanation:

Hope this helped

Good luck

snow_tiger [21]3 years ago

5 0

Answer:

x = -2/5

Step-by-step explanation:

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Scrat [10]

Answer:

The shaded area represents B.

Step-by-step explanation:

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3 years ago

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yKpoI14uk [10]

Answer:

5/6

Step-by-step explanation:

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3 years ago

Surface-finish defects in a small electric appliance occur at random with a mean rate of 0.3 defects per unit. find the probabil

mario62 [17]

Answer: Probability that a randomly selected unit will contain at least two surface- finish defect is 0.04.

Step-by-step explanation:

Since we have given that

Mean rate defects per unit = 0.3

Since we will use "Poisson distribution":

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

But we need to find the probability that a randomly selected unit will contain at least two surface-finish defect.

$P(X\geq 2)=1+P(X=0)+P(X=1)$

So,

$P(X=0)=\frac{e^{-0.3}0.3^0}{0!}=e^{-0.3}=0.74\\\\P(X=1)=\frac{e^{-0.3}\times 0.3}{1}=0.22$

so, it becomes,

$P(X>2)=1-(0.74+0.22)=1-0.96=0.04$

Hence, probability that a randomly selected unit will contain at least two surface- finish defect is 0.04.

4 0

4 years ago

How much of each ingredient is needed for 3 batches of<br> bread?

MakcuM [25]

Answer:

3x times as much as it toke with one loaf of bread so 80

Step-by-step explanation:

5 0

3 years ago

Solve the system of equations.

postnew [5]

Step-by-step explanation:

y = x² + x + 5

y = x + 1

x² + x + 5 = x + 1

x² + 4 = 0

x² = -4

x = ±√-4 undefined

No solutions

Option → B

4 0

3 years ago