2 years ago

Will give brainliest and 20 pts

Mathematics

1 answer:

fomenos2 years ago

7 0

Answer:can I plz have more info

Step-by-step explanation:

i Think ik but I need a little more info

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Find the value of x in each case. PLEASE SHOW WORK!!!

myrzilka [38]

$m\angle BCA=180^o-5x$

$\angle CAB=\angle ACD\\\\m\angle CAB=33^o$

In the triangle ABC:

$m\angle ABC+m\angle BCA+m\angle CAB=180^o\\\\2x+180^o-5x+33^o=180^o\\\\-3x+213^o=180^o\ \ \ |-213^o\\\\-3x=-33^o\ \ \ |:(-3)\\\\x=11^o$

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2 years ago

Equivalent ratio for 5:9

vfiekz [6]

10:18 is an equivalent ratio.

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2 years ago

PLEASE ANSWER RN!! Which statement can be represented by the equation Two-fifths x + 9 = 9? Two-fifths of nine is a number. Two-

nadezda [96]

Answer:

Step-by-step explanation:

(2/5)x + 9 = 9 is equivalent to (2/5)x = 0

"Nine more than two-fifths of a number is nine" is correct.

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2 years ago

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Sea turtles are among the most ancient creatures on Earth. There are seven species of them today and they all have existed for 1

muminat

12 feet wide and 9 feet high

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2 years ago

Find C.

nasty-shy [4]

Answer:

$C=69.1^{\circ}$

Step-by-step explanation:

The Law of Cosines is given as:

$c^2=a^2+b^2-2ab\cos C$ .

Plugging in given values, we get:

$16^2=8^2+17^2-2\cdot 8\cdot 17\cdot \cos C,\\\cos C=\frac{-97}{-272},\\C=\arccos(\frac{97}{272}),\\C=\fbox{$69.1^{\circ}$}$ .

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2 years ago