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8090 [49]
3 years ago
13

6×1/2 means_______ the product is________ or________

Mathematics
2 answers:
Vadim26 [7]3 years ago
5 0
It means to times 6 by 1/2 the product is 3 or 3whole
Viefleur [7K]3 years ago
5 0
Time 6 by 1/2 and = 3
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12^13–12^12+12^11 is divisible by 7 and 19.
fiasKO [112]

Answer:

The statement is true

Step-by-step explanation:

The question is as following :

12^{13}-12^{12}+12^{11} is divisible by 7 and 19, true or false?

The given expression is 12^{13}-12^{12}+12^{11}

Take 12^{11} as a common

12^{13}-12^{12}+12^{11} = 12^{11}*(12^2-12^1+12^0)\\= 12^{11} *(144-12+1)\\=12^{11} * 133\\= 12^{11} * 7 * 19

So, 12^{11} * 7 * 19 divided 7 = 12^{11} * 19

And 12^{11} * 7 * 19 divided 19 = 12^{11} * 7

12^{13}-12^{12}+12^{11} is divisible by 7 and 19 (<u>True</u>)

8 0
3 years ago
What is the product of 5/8 and 3/4??
Triss [41]

Answer:

15/32

Step-by-step explanation:


4 0
3 years ago
Read 2 more answers
Out of a sample 650 high school students, 321 take the bus to school every day. construct a 99% confidence interval for the popu
gtnhenbr [62]

A 99% confidence interval for the population mean of high school students that take the bus to school every day is b) ci=(44.34%, 54.43%)

We need to find the 99% confidence interval for the population mean of high school students that take the bus to school everyday

A confidence interval is a range of estimates for an unknown parameter. The confidence interval is calculated at the specified confidence level; the most common is the 95% confidence level, but sometimes other levels are used, such as 90% or 99%.

The confidence interval of proportions is given by:

π ± z √(π (1-π) /n)

π is the sample proportion.

z is the critical value.

n is the sample size.

For 99% confidence interval the value of z is 2.58

π = 321/650

The confidence interval is given by

=321/650 ± 2.58 √( (321/650) × [ 1 - (321/650) ] ÷ 650)

= (0.493846 ± 0.050594)

=(0.4434 , 0.5443)

=(44.34 % , 54.43 %)

Hence a 99% confidence interval for the population mean of high school students that take the bus to school every day is ci=(44.34%, 54.43%)

<u>Learn more about confidence interval:</u>

brainly.com/question/28052710

# SPJ4

8 0
2 years ago
Which of the following is not a valid probability distribution for a discrete random variable? Check all that apply.
IgorC [24]
B is one of them, do you have any ideas?
3 0
3 years ago
Read 2 more answers
I
Alinara [238K]

Answer: C

Step-by-step explanation:

3 0
3 years ago
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