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3 years ago

5) Find the slope Please I need help this is the last test of the school year

Mathematics

1 answer:

ch4aika [34]3 years ago

3 0

Answer:

7/5

Step-by-step explanation:

If you need an explanation tell me.

Please mark as brainliest

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What is the sum of the first 40 positive odd integers?

nika2105 [10]

Answer:

1600

Step-by-step explanation:

$\text{Number of terms}, ~n = 40\\\\\text{Sum of n odd integers} = n^2 = 40^2 = 1600$

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2 years ago

A researcher wishes to be 95 confident that her estimate of the true proportion

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3 years ago

Shana is climbing a mountain at a constant pace. She rises in elevation by 17.5 feet per minute. After hiking for 30 minutes, a

Mnenie [13.5K]

Answer:

The linear equation for Shana's elevation is $E = 17.5\cdot t+1640$ .

Step-by-step explanation:

According to the statement, we find that Shana is climbing at constant rate in time and height as a function of time can be represented by linear function:

$E = h_{o}+\dot h\cdot t$ (Eq. 1)

Where:

$h_{o}$ - Initial height above sea level, measured in feet.

$E$ - Elevation above sea level, measured in feet.

$\dot h$ - Climbing rate, measured in feet per minute.

$t$ - Time, measured in minutes.

If we know that $E = 2165\,ft$ , $\dot h = 17.5\,\frac{ft}{min}$ and $t = 30\,s$ . the initial height above sea level is:

$h_{o} = E - \dot h\cdot t$

$h_{o} = 2165\,ft-\left(17.5\,\frac{ft}{min} \right)\cdot (30\,min)$

$h_{o} = 1640\,ft$

The linear equation for Shana's elevation is $E = 17.5\cdot t+1640$ .

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3 years ago

Which number is closest to the value of √32

barxatty [35]

Answer:

5.65685424.

Step-by-step explanation:

Square Root of 32: √32 = 5.65685424...

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