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2 years ago

9

In a drawer, there are 3 white socks, 4 black socks, and 2 brown socks. You pick out a sock, replace or, turn pick put a 2nd soc

k. What is the probability that you will pick a brown then black?
A) 12/81

B) 6/81

C) 8/81

1 answer:

slega [8]2 years ago

6 0

I believe the answer is B) 6/81

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In jims class, 5 times has many students take the bus as those who walk. A total of 24 students walk or take the bus. How many m

lubasha [3.4K]

Take bus=5 times walk
b=5w
b+w=24
sub 5w for b
5w+w=24
6w=24
divide both sides by 6
w=4

sub back
b=5w
b=5(4)
b=20

bus-walk=20-4=16

answer is 16 more take the bus than walk

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2 years ago

Imaginary numbers <br> (-3-5/)(-3+5)<br> Answer choices:<br> 1. 34<br> 2. 34-30i<br> 3. -16

lisabon 2012 [21]

Answer:

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2 years ago

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Tatiana [17]

Answer:

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Step-by-step explanation:

14.) 20

15) 16

16) true

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2 years ago

Read 2 more answers

Plz find the volume of this figure i really need help

DiKsa [7]

Answer:

to find volume you have to multiply l x w x h

Step-by-step explanation:

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2 years ago

Write a definite integral that represents the area of the region. (Do not evaluate the integral.)

joja [24]

Answer:

$\int_{-1}^{1}7(x^{3}-x)\:dx$

Step-by-step explanation:

1) The other curve is $y=0$ then the common points of both curves are x-intercepts, the roots of $y=7(x^{3}-x)$

$y=7(x^{3}-x)\Rightarrow 7(x^3-x)=0 \Rightarrow 7(x^{3}-x)=7x(x-1)(x-1)\Rightarrow \\S=\left ( 0,0 \right ),\left ( -1,0 \right ),\left ( 1,0 \right )$

2). Then those intersection points are the upper and the lower limits. Plugging in to this formula for they belong to the interval [-1,1]:

$\int_{a}^{b}|f(x)-g(x)dx$

$\int_{a}^{b}|f(x)-g(x)dx \Rightarrow \int_{-1}^{1}|7(x^{3}-x)-0|dx \Rightarrow \int_{-1}^{1}7(x^{3}-x)\:dx$

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2 years ago