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3 years ago

-2(10 + 6x) + 10 = -34 Please Explain Aswell!

Mathematics

1 answer:

avanturin [10]3 years ago

8 0

I think it’s x = 2

-20-12x+10=-34
-10-12x=34
-34+10
-24 divided by 12 = -2

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A certain manufacturing plant produces electric fuses of which 20% are defective. Find the probability that in a sample of 8 fus

OverLord2011 [107]

Answer:

0.419

Step-by-step explanation:

To calculate this, we shall make use of Bernoulli approximation of Binomial distribution

if 20% are defective, then 80% are not defective

Probability of selecting a defective fuse is 20/100 = 0.2

Probability of selecting a non defective one is 0.8

Probability of at least 1 being defective is = 1 - Probability of none being defective

Mathematically that will be;

0.8^8 = 0.168

The above is probability of none defective

So the probability of at least one will be

1 - 0.168 = 0.832

Probability of not more than 1 means;

Probability of none + probability of 1 being defective

We already have probability of none above

Probability of 1 being defective means 8 will be non defective

The probability in this case is;

8 C 1 0.2^1 0.8^7

= 8 * 0.2 * 0.8^7 = 0.336

Add this to the probability of none = 0.336 + 0.168 = 0.504

So the probability that we want to calculate from the question will be;

Probability of at least one defective * probability of not more than one defective

= 0.832 * 0.504 = 0.419

6 0

3 years ago

I WILL GIVE YOU BRAINLIEST!!!!!

oksano4ka [1.4K]

Answer:

Brainelist goes to me!

Step-by-step explanation:

-6/3 = -2

4 0

3 years ago

Read 2 more answers

(A) find F(x) for the indicated values of x, if possible

dem82 [27]

Answer:

A) The indicated values of F(x) for x=-3 and x=5 are $F(-3)=-27$ and $F(5)=125$

B) The domain of f is the set of all real numbers

Step-by-step explanation:

Given that the function F is defined by

$F(x)=x^3$ for x=-3,5

A) To find F(x) for the indicated values of x :

Given $F(x)=x^3$ for x=-3,5

Put x=-3 in the given function

$F(-3)=(-3)^3$

$=(-3)\times (-3)\times (-3)$

$=-27$

Therefore $F(-3)=-27$

Put x=5 in the given function

$F(5)=(5)^3$

$=(5)\times (5)\times (5)$

$=125$

Therefore $F(5)=125$

The indicated values of F(x) for x=-3 and x=5 are $F(-3)=-27$ and $F(5)=125$

B) To find the domain of f :

The domain of the f in the given expression is the set of all real numbers except where the expression $x^3$ is undefined. In this case, there is no real number that makes the expression undefined.

The domain of f is the set of all real numbers

8 0

3 years ago

What is the outlier in this data set 23,31,28,73,19

Alexandra [31]

73, every number is in the same range except 73

4 0

3 years ago

A day on saturn is 42.6% of a day on earth. how many hours are there in a day on saturn?

raketka [301]

Answer:

10 full hours (10.224 is exact)

Step-by-step explanation:

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3 years ago