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2 years ago

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Mathematics

1 answer:

iris [78.8K]2 years ago

5 0

Answer:

Step-by-step explanation:

hope it helps you on what ur doing

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In monitoring lead in the air after the explosion at the battery factory, it is found that the amounts of lead over a 7 day peri

Andrew [12]

Answer:

$MOE=\pm \ 1.41$

Step-by-step explanation:

-Given that $\sigma=1.91, n=7$

-We determine the z-value corresponding to the 95% confidence level:

$z_{\alpha/2}=z_{0.025}=1.96$

-The margin of error is the degree of error from the real value and is calculated as follows:

$MOE=\pm z_{\alpha/2} (\frac{\sigma}{\sqrt{n}})\\\\=\pm z_{0.025}\times\frac{\sigma}{\sqrt{n}}\\\\=\pm 1.96\times \frac{1.91}{\sqrt{7}}\\\\=\pm 1.41$

Hence, the margin of error is $\pm 1.41$

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3 years ago

How do I graph this??? HELP FAST

Luda [366]

Answer:

the 2x and 1/2x are the slope.(rise over run)

the +2 and -1 are intercepts on the y axis

Step-by-step explanation:

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2 years ago

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3. R: {(1, 2), (2, 2), (−1, −2), (−3, 4)}?

Natali [406]

Yes it is a function Bc the x values don’t repeat

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3 years ago

INTERPRET THE VALUE OF EACH PLACE VALVE POSITION AS IO TIMES

kompoz [17]

Answer:

Place value | Numbers big and small | Siyavulaintl.siyavula.com › read › maths › jss1 › 01-numbers-bi...

The number 12 means we have 1 group of ten stars and 2 stars left over. ... Put each digit of the number into the correct position in the table. ten ... These place values are represented from biggest to smallest, moving to the right after the decimal ... As for whole numbers, we move to a new place value each time we reach 10.

Missing: VALVE ‎IO

Step-by-step explanation:

4 0

3 years ago

Pls helppp me with this!!

zepelin [54]

Answer:4

Step-by-step explanation: Because 4 goes in 3/4 better and more eqvilent to that answer.

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2 years ago

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