3 years ago

An angle of 200° is a/an _______ angle

Mathematics

2 answers:

nirvana33 [79]3 years ago

6 0

An angle of 200 degrees in an obtuse angle.

LekaFEV [45]3 years ago

4 0

Its an obtuse angle..........................

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I cant seem to figure out this question? someone please help me please

Brilliant_brown [7]

h is measured in miles so you need to convert 1135ft to miles

1 mile = 5280 feet

so 1135/5280 = 0.21496 miles

D = sqrt(2(3960)(0.21496) + 0.21496^2)

D = sqrt(1702.4832 + 0.046207801)

D = sqrt(1702.529408

D = 41.2617 miles round answer as needed

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3 years ago

Find S5 for a geometric series for which a1=81 and r=1/9.

Minchanka [31]

ANSWER

$S_5=91\frac{10}{81}$

EXPLANATION

The sum of the first $n$ terms of a geometric sequence is given by;

$S_n=\frac{a_1(1-r^n)}{1-r} ,-1$

Where $n$ , is the number of terms and $a_1$ is the first term.

When $n=5$ , we have $a_1=81$ , we get;

$S_5=\frac{81(1-(\frac{1}{9})^5)}{1-\frac{1}{9}}$

$S_5=\frac{81(1-\frac{1}{59049})}{1-\frac{1}{9}}$

$S_5=\frac{81(\frac{59048}{59049})}{\frac{8}{9}}$

$S_5=\frac{7381}{81}$

$S_5=91\frac{10}{81}$

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3 years ago

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sveticcg [70]

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