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3 years ago

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What is the slope of the line that passes through (-2,5) and (1,4)? -3 -2 -1/3 1/3

1 answer:

SIZIF [17.4K]3 years ago

7 0

slope = m=(y2-y1)/(x2-x1)

m= (4-5)/(1-(-2))

m= -1/(1+2)

m=-1/3

Choice C

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3 years ago

a purse has $8 in dimes and quarters. there ten more dimes than quarters. Find the number of each type of coin.

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3 years ago

max2010maxim [7]

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3 years ago

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2 years ago

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zheka24 [161]

Answer:

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Step-by-step explanation:

Confidence interval of standard deviation is given as follows;

$\sqrt{\dfrac{\left (n-1 \right )s^{2}}{\chi _{1-\alpha /2}^{}}}< \sigma < \sqrt{\dfrac{\left (n-1 \right )s^{2}}{\chi _{\alpha /2}^{}}}$

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The 99% confidence interval of the population standard deviation = 1.7047 < σ < 7.485.

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3 years ago