3 years ago

What is the inverse of the function f(x)=1/4x-12

Mathematics

1 answer:

Marianna [84]3 years ago

3 0

I think it would be -12

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-8 x (-8) Please help

emmasim [6.3K]

The answer to this is 64

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3 years ago

Thirty percent (30%) of the bulbs in a large box are defective. If 12 bulbs are selected randomly from the box, calculate the pr

AleksandrR [38]

The probability that exactly 6 are defective is 0.0792.

Given:

30% of the bulbs in a large box are defective.

If 12 bulbs are selected randomly from the box.

To find:

The probability that exactly 6 are defective.

Solution:

Probability of defective bulbs is:

$p=30\%$

$p=\dfrac{30}{100}$

$p=0.3$

Probability of non-defective bulbs is:

$q=1-p$

$q=1-0.3$

$q=0.7$

The probability that exactly 6 are defective is:

$P(x=r)=^nC_rp^rq^{n-r}$

$P(x=6)=^{12}C_6(0.3)^6(0.7)^{12-6}$

$P(x=6)=924(0.3)^6(0.7)^{6}$

$P(x=6)=0.0792478958$

$P(x=6)\approx 0.0792$

Therefore, the probability that exactly 6 are defective is 0.0792.

Learn more:

brainly.com/question/12917164

8 0

2 years ago

Someone plz help I already know the answer put how can I put the diagram can you guys help me can u put the picture how u did it

Oliga [24]

Answer:

therws this random chart from the internet, I think that's what they want, but not sure

8 0

3 years ago

Janie receives R150 pocket money per month. In the new year his mother increase his pocket money in the ratio 6:5. Calculate Jan

dimaraw [331]

Answer:

Janies' monthly pocket money is $180.

Step-by-step explanation:

Janies' adjusted monthly pocket money:

Initial pocket money = $150

Ratio of new pocket money = 6:5

Let his new pocket money be represented by x,

x:$150 = 6:5

$150 x 6 = x (5)

$900 = 5x

x = $\frac{900}{5}$

x = $180

Therefore, Janies' monthly pocket money is $180.

6 0

2 years ago

6. Determine how each multiplication or

tangare [24]

A) 27, 81
b) -30,-15
c) -3, 1
d) -320, 1280

3 0

3 years ago