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s2008m [1.1K]
3 years ago
11

What is 2 1/2 x 1 1/2?

Mathematics
2 answers:
klio [65]3 years ago
8 0
2 2/4 is the correct answer
taurus [48]3 years ago
5 0
3.75 is the correct answer

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A board is 60.96 centimeters long. How long is the board in inches?
krok68 [10]

Answer:

24.02 inches

Step-by-step explanation:

\because \: 1 \: cm = 0.394 \: inch \\  \therefore \: 60.96 \: cm = 60.96 \times 0.394 \: in \\  = 24.01824 \\  = 24.02 \: in

Thus, board is 24.02 inches long.

7 0
2 years ago
Read 2 more answers
4. Is rap music more popular among young Indians than among young Asians? A sample survey compared 634 randomly chosen Indians a
bulgar [2K]

Answer:

H0 is accepted

there is no difference between the proportions of Indian and Asian young people who listen to rap music every day.

Step-by-step explanation:

Given  a sample survey compared 634 randomly chosen Indians aged 15 to 25 with 567 randomly selected Asians in the same age group.

p_{1} = \frac{368}{634} =0.580

It found that 368 of the Indians and 130 Asians listened to rap music every day.

p_{2} = \frac{130}{567} =0.229

Null hypothesis H0: there is no difference between the proportions of Indian and Asian young people who listen to rap every day.

p_{1} = p_{2}

Alternative hypothesis:- p_{1} \neq  p_{2}

Level of significance α = 0.05

The test of statistic

z = \frac{p_{1} -  p_{2}}{\sqrt{pq(\frac{1}{n_{1} }+\frac{1}{n_{2} })  } } }

where p = \frac{n_{1}p_{1} + n_{1}p_{2}}{n_{1}+n_{2}} = \frac{634(0.580)+567(0.229)}{634+567}

       p = 0.414

and q = 1-p = 1- 0.414 =0.586

Z = \frac{0.580-0.229}{\sqrt{0.414(0.586)(\frac{1}{634} +\frac{1}{567} } } }

on calculation , we get

z = 0.300 ><1.96 at 95 % level of significance

H0 is accepted

there is no difference between the proportions of Indian and Asian young people who listen to rap every day.

3 0
3 years ago
In a parallelogram ABCD , the bisector of angle A bisects BC at X. Prove that AD=2 AB.
erica [24]
There's no diagram, so I made my own.
But I can't prove AD = 2*AB

7 0
3 years ago
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harina [27]

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1.8181818181818181818181818181818

7 0
3 years ago
What is the slope intercept form for this graph ? Please answer !!
Dmitry_Shevchenko [17]

y =  \frac{3}{2} x + 3
5 0
2 years ago
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