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kobusy [5.1K]
3 years ago
6

Factorize the following jx+sy-sx-jy

Mathematics
1 answer:
BartSMP [9]3 years ago
8 0

Answer:

(x - y)(j - s).

Step-by-step explanation:

jx + sy - sx - jy

= jx - sx + sy - jy

= x(j - s)  - y(j - s)

= (x - y)(j - s).

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How many modes does the following data set have?
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Answer:

C

Step-by-step explanation:

the mode is the value or values that occur most often in the data set

here 5, 12, 150 all occur 3 times

the mode is then 5, 12, 150

that is there are 3 modes for this data set

8 0
1 year ago
poll finds that 54% of the 600 people polled favor the incumbent. Shortly after the poll is taken, it is disclosed that he had a
Paha777 [63]

Answer: A. z = -2.57

Step-by-step explanation:

Let p be the population proportion of people polled favor the incumbent.

As per given , we have

H_0: p=0.54\\\ H_a: p

Sample size : n= 1030

sample proportion :  \hat{p}=0.50

Test statistic for proportion : z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}

z=\dfrac{0.50-0.54}{\sqrt{\dfrac{0.54(1-0.54)}{1030}}}\\\\= \dfrac{-0.04}{\sqrt{\dfrac{0.2484}{1030}}}\\\\=\dfrac{-0.04}{0.015529488}\approx-2.57

Hence, the  test statistic is z = -2.57 .

Thus , the correct answer is A. z = -2.57 .

7 0
3 years ago
A town has a population of 10000 and grows at 5% every year. What will be the population after 5 years, to the nearest whole num
lord [1]
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What is 2.03-1.9= A:0.67 B:0.4 C:1.2 D:0.13​
Hunter-Best [27]

Answer:

0.13

Step-by-step explanation:

4 0
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