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Harlamova29_29 [7]

2 years ago

13

If a family has three children draw a tree diagram representing the possible outcomes for the genders of the children and then l

ist the sample space

1 answer:

Gennadij [26K]2 years ago

5 0

Each child has a 50/50 chance of being boy or girl whether the other child was a boy or girl. The possible chances are BBG, BBB, BGG, GGG

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An airplane is at 32,000 ft above sea level and descends at an average rate of 1,000 ft per minute. How many minutes will it tak

slavikrds [6]

29 minutes- at a rate of 1,000 feet a minute, it would take 32 minutes to reach sea level (32,000/1000=32)but if you subtract 3000 from 32000 to remain 3000 feet above sea level, you have 29000 feet to descend which will take 29 minutes

4 0

2 years ago

Read 2 more answers

in one week a kiln removes 1/3 of the moisture from a stack of wood. What fraction of the moisture remains in the lumber after 5

Evgesh-ka [11]

Answer:

-1 2/3 that's the best i could do sorry if its wrong

Step-by-step explanation:

7 0

2 years ago

Help me out fast pleaseeeeeeeeeeeeeee

boyakko [2]

Answer:

81 7/12

Step-by-step explanation:

75 5/12 - (-6 1/6)= 81 7/12

8 0

2 years ago

Use integration by parts to find the integrals in Exercise.<br> ∫(4x-12)e-8x dx.

stepladder [879]

Answer:

$e(2x^{2} -12x)-4x^{2}+C$

Step-by-step explanation:

We have been given an indefinite integral as $\int \left(4x-12\right)e-8x\:dx$ . We are asked to find the given integral.

Let us solve our given problem.

$\int \left(4x-12\right)e\:dx-\int 8x\:dx$

Take out constant:

$e\int \left(4x-12\right)\:dx-8\int x\:dx$

$e(\int 4x\:dx -\int 12\right\:dx)-8\int x\:dx$

$e(\frac{4x^{1+1}}{2} -12x)-8*\frac{x^{1+1}}{1+1}+C$

$e(\frac{4x^{2}}{2} -12x)-8*\frac{x^{2}}{2}+C$

$e(2x^{2} -12x)-4x^{2}+C$

Therefore, our required integral would be $e(2x^{2} -12x)-4x^{2}+C$ .

5 0

2 years ago

A particular computer takes 12 minutes to download a 36 minute TV show. how long will it take the computer to download a 1.5 hr

sladkih [1.3K]

Let x = movie download time
$\frac{12}{36} = \frac{x}{90}$
$36x = 1080$
$x = 30$
30 minutes

5 0

2 years ago