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3 years ago

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A drawer contains 4 red socks, 8 white socks, and 6 blue socks. Without looking, you draw out a sock, return it, and draw out a

second sock. What is the probability that the first sock is white and the second sock is red?

1 answer:

Alekssandra [29.7K]3 years ago

4 0

White: 8/18 or 4/9
Red: 4/18 or 2/9

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Students in Miss Moseley's fourth grade class are learning multiplication, and they demonstrate mastery by passing assessments.

blagie [28]

<span><u><em>Answer:</em></u>
Each will have passed 17 tests and it will take 3 weeks.

<u><em>Explanation: </em></u>
Let x be the number of weeks.
The number of tests <u>Travis</u> passes to begin with is 11.
We then add 2 tests per week, or 2x to that, giving us:
11+2x.

The number of tests <u>Jenifer</u> has passed to begin with is 2.
We then add 5 tests per week, or 5x to that, giving us:
2+5x.

<u>Setting these equal, we have: </u>
11+2x=2+5x.

<u>Subtract 2x from each side: </u>
11+2x-2x=2+5x-2x;
11=2+3x.

<u>Subtract 2 from each side: </u>
11-2=2+3x-2;
9=3x.

<u>Divide both sides by 3:</u>
</span> $\frac{9}{3} = \frac{3x}{3}$ <span>;
3=x.

It will take <u>3 weeks</u>.
In 3 weeks,
Travis will have passed:
11+2*3 = 11+6 = 17 tests.
Jenifer will have passed the same number, since she catches up with him at this point.</span>

6 0

3 years ago

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Evaluate 5/8-(1/4)2=

ValentinkaMS [17]

Answer:

0.125

Step-by-step explanation:

(5 divided by 8) - ((1 divided by 4) x 2) = 0.125

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3 years ago

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What is the solution to the system of linear equations?

AlexFokin [52]

X=8-y

2(8-y)=10
16-2y=10
-2y=10-16
-2y=-6
y=3

x+3=8
x=8-3
x=5

(5,3) is the answer :)

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2 years ago

Brooks traded $5250 for Japanese yen, immediately changed his mind, and then promptly traded his Japanese yen back into dollars.

alukav5142 [94]

I Believe it would remain the same unless there is a fee for converting the dollar to yen in the first place.

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2 years ago

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The world's population is expected to grow at a rate of 1.3% per year until at least the year 2020. In 1994 the total population

Marina CMI [18]

The solution to your problem is as follows:

Given:
P₀ = 5,642×10^6 people,
i = 1.3% = 0.013 per year,
n = 2020 - 1994 = 26 years,

We get:
<span>
Pn = P₀ e^(i.n) </span>
. . .= 5,642×10^6×e^(0.013×26)
<span>. . .= 7,911×10^6 people

Therefore, the </span>the world's predicted population in the year 2020 is <span>7,911×10^6 people.

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!</span>

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