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3 years ago

14

How do I do this problem??

1 answer:

Crank3 years ago

5 0

Expanding 8x^3, we multiply 8*8 and x^3 by x^3 to get 64x^6. Since we know that the cube root of 64 is 4, we can separate that. Next, since you add exponents while multiplying, 6/3 is the exponent for the cube root of x^6=x^2. Therefore, your answer is 4x^2

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2,104

Step-by-step explanation:

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3 years ago

If you multiply this number by 3 , then subtract 15 , the result is 51. What is the number?

bagirrra123 [75]

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3 years ago

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4 years ago

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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

3 years ago

Simplify the expression 1/4(8x+16y)

Dimas [21]

Answer:

2x+4y

Step-by-step explanation:

1/4(8x+16y)

( 1 /4 )(8x+16y)

Distribute

( 1 /4 )(8x)+( 1 /4 )(16y)

=2x+4y

merry Christmas

7 0

3 years ago