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Hoochie [10]
3 years ago
5

A drawer contains 12 brown socks and 12 black socks, all unmatched. a man takes socks out at random in the dark. the least numbe

r of socks that he must take out to be sure that he has at least two socks of the same color is _____.
Mathematics
1 answer:
Serga [27]3 years ago
6 0
 <span>A) 3 - The third sock will match the first or second if they don't match each other. 
B) 14 - It's highly unlikely yet possible to remove all brown socks first, the next two would have to be black.</span>
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PLEASE HURRY 100 POINTS!<br><br> Graph x &gt; 2.
MrMuchimi

Answer:

see below

Step-by-step explanation:

We know that x > 2  that means the line at x = 2 is dotted since there is no equals sign

We shade to the right since x is greater

8 0
4 years ago
Read 2 more answers
Britta bought some carrots and apples for $24.80. A carrot and an apple cost .90 cents all together. She bought more carrots tha
MrRissso [65]

Answer:

20

Step-by-step explanation:

24.80-6.80=$18   that's what Britta spent on equal number of carrots and apples because $6.80 was spent on extra carrots only.

18/ .90=20 that means she got 20 apples and 20 carrots before she added $6.80 to buy some extra carrots

Thus, the number of apples Britta bought = 20

7 0
3 years ago
A school authority claims that the average height of students is 178 cm. A researcher has taken a well-designed survey and his s
Hunter-Best [27]

Answer:

d) The difference exists due to chance since the test statistic is small

Step-by-step explanation:

From the given information:

Population mean = 178 cm

the sample mean = 177.5 cm

the standard deviation = 2

the sample size = 25

The null hypothesis and the alternative hypothesis can be computed as:

Null hypothesis:

H_o: \mu = 178

Alternative hypothesis:

H_1: \mu \neq 178

The t-test statistics is determined by using the formula:

t = \dfrac{X - \mu}{\dfrac{\sigma}{\sqrt{n}}}

t = \dfrac{177.5 - 178}{\dfrac{2}{\sqrt{25}}}

t = \dfrac{-0.5}{\dfrac{2}{5}}}

\mathbf{t= -1.25}

Degree of freedom df = n- 1

Degree of freedom df = 25 - 1

Degree of freedom df = 24

At the level of significance ∝ = 0.05, the critical value  = 2.064

Decision rule: To reject the null hypothesis if the test statistics  is greater than the critical value at 0.05 level of significance

Conclusion: We fail to reject the null hypothesis since the test statistics is lesser than the critical value and we conclude that  the difference exists due to chance since the test statistic is small

5 0
3 years ago
4 (12x−5.6)=0.5(3x+0.7)<br><br> Im confuzzled
sergiy2304 [10]

Answer:

0.49 or 49/100

Step-by-step explanation:

So what you have to do here is distribute the 4 to the numbers in the parenthesis next to it. You also have to distribute the 0.5 to the numbers in the parenthesis next to it. So then that would make your equation become 48x-22.4=1.5x+0.35. After this step, you then have to solve for the variable, x. To do this, you would have to go backwards using PEMDAS, so first you add the 22.4 to the other side, making the equation 48x=1.5x+22.75. Then you would subtract 1.5x to the opposite side, makint the equation 46.5x=22.75. Now once you're here, you will divide the 46.5 by 22.75, making x roughly equal 0.49, or if you prefer a fraction form, then 49/100.

8 0
3 years ago
Read 2 more answers
WILL GIVE BRAINLEST HELP ASAP PLEASE<br> find the volume of the solid in the picture below pls:)
gogolik [260]

Answer: 50 maybe

Step-by-step explanation: Add everything around it and than inside the shape

5 0
3 years ago
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