3 years ago

I need help! plsssssssssssssssss

Mathematics

1 answer:

Simora [160]3 years ago

3 0

5.5 miles per hour ig bye

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Marco is 6 feet 3 inches tall. There are 2.54 centimeters in one inch. What is Marcos height in centimeters?

Marat540 [252]

Answer:

190.5cm

Step-by-step explanation:

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3 years ago

Evaluate cot870°.<br> 1. - sqrt3<br> 2. -1/sqrt3<br> 3. 1/sqrt3<br> 4. sqrt3

ivolga24 [154]

ANSWER

$-\sqrt{3}$

EXPLANATION

The given angle is 870°.

870°-360°-360°=150°

This means that:

870° is coterminal with 150°, hence its terminal side is in the second quadrant.

It makes an acute angle of 30° with the x-axis.

Note that cotangent is negative in the second quadrant,

Hence,

$\cot(870 \degree) = \cot(150 \degree) = - \cot(30 \degree) = - \frac{1}{ \tan(30 \degree) } = - \sqrt{3}$

The first option is correct.

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4 years ago

A line passes through the point (-7,5) And has a slope of 1/2 which is another point that the line passes through

Licemer1 [7]

(9,13) would be another point that the line passes through.

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3 years ago

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Mary bowled six games this week. Her scores were 138,151,198,147,156, and 173. What was her average for those

erica [24]

The average of scores is 160.5

Step-by-step explanation:

Mean is the sum of all values divided by the number of values.

Given scores are:

138,151,198,147,156, and 173

The formula for average score is given by:

$Avg = \frac{Sum}{items}$

Putting values

$Avg = \frac{138+151+198+147+156+173}{6}\\Avg = \frac{963}{6}\\= 160.5$

The average of scores is 160.5

Keywords: Mean, Average

Learn more about mean at:

#LearnwithBrainly

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Select the sum of the series. ∑4k=1k2

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4 years ago