3 years ago

Please help again i appreciate ypur help

Mathematics

1 answer:

zaharov [31]3 years ago

8 0

Answer:

Scatter Plot 1 : No correlation (0) -

Scatter plot 2: negative Correlation (-1)

Scatter Plot 3: Positive Correlation (+1)

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The amount of time (in hours) that Sam studied for an exam on each of the last five days is given below. 1.7 7.7 8.3 1.6 5.1 Fin

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Answer:

The mean is 4.88 hours / day

Step-by-step explanation:

To calculate the mean we just add the values and divide by the number of items (in this case we add the hours and divide by the number of days)

so the equation would be

$\frac{1.7+7.7+8.3+1.6+5.1}{5}=4.88$

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2 years ago

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coldgirl [10]

1st
0.3/100*15000
=45
2nd
40/200*100
=20
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2 years ago

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2 years ago

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Which expression is equivalent to (r^-7)^8

ahrayia [7]

Answer:

1/r^56

Step-by-step explanation:

Not sure if you did a typo there or what cus 7 x 8 should be 56

Whenever the power of a number is negative, you flip. So r^-7 becomes 1/r^7

Remove the bracket and distribute 8 to the power of 1 and r^7

1 to the power of 8 will still be 1, r^7 x 8 = r ^ 56

6 0

2 years ago

Simplify the expression where possible. (t 9) -8

makvit [3.9K]

Answer:

$\frac{1}{t^{72}}$ .

Step-by-step explanation:

To solve this problem, we need to simplify the expression $(t^{9})^{-8}$ .

We know that $(x^{a})^{b} = x^{ab}$

Therefore:

$(t^{9})^{-8} =t^{-72} =\frac{1}{t^{72}}$ .

7 0

3 years ago

Please help again i appreciate ypur help​

Please help again i appreciate ypur help