3 years ago

Identifying an Error

Mathematics

2 answers:

Advocard [28]3 years ago

8 0

Answer:

Step-by-step explanation:

irakobra [83]3 years ago

3 0

Answer: It would be Point B

Step-by-step explanation:

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What is the answer to number 1

Oksi-84 [34.3K]

Would the common factor be 1?
edit
the least common is 1 and the most common is 2

thanks andreadiaz2003

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3 years ago

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1<br> A line has a slope of -1/2and a y-intercept of -2.

Ira Lisetskai [31]

Answer:

Step-by-step explanation:

y + 2= -1/2(x - 0)

y + 2 = -1/2x + 0

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x = 4

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3 years ago

X + 3 = y,

Anna007 [38]

3. X= y-3

You subtract 3 to the other side to make X the subject of the formula.

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2 years ago

The average and standard deviation of a measurement is 15.0 ± 5.0. if 100 students measured the value, how many would you expect

AURORKA [14]

Solution: We are given:

$\mu=15, \sigma=5$

Using the empirical rule, we have:

$\mu \pm \sigma$ covers 68% of data.

Also the percentage of values below mean = Percentage of values above mean = 50%

Now, let's find the z score for x=20

$z=\frac{20-15}{5}=1$

Therefore, the percentage of values greater than 1 standard deviation above mean $50\% - \frac{68\%}{2} =50\%-34\%=16%$

Expected number of students = 16% of 100 = 16

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3 years ago

Ive got a big maths test tomorrow ask me questions on fractions or percentages , formula , significant figures , Pythagoras anyt

podryga [215]

What 22/30 times 2/10

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3 years ago