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3 years ago

Which expression represents each mathematical phrase?

Mathematics

1 answer:

olganol [36]3 years ago

5 0

Answer:

Step-by-step explanation:

add 12 and a number: 12 + c

subtract a number from 12: 12 - c

divide a number by 12: c : 12 or c/12

multiply 12 by a number: 12 · c = 12c

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klio [65]

Answer:

They will have values in common

Step-by-step explanation:

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3 years ago

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Need help with this trigonometry word problem

fenix001 [56]

Answer:

$\huge \boxed{ \boxed{ \sf 6\sqrt{3} \: or \: 10.4}}$

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>

trigonometry
PEMDAS

<h3>let's solve:</h3>

to find <u>how far the ladder is from the foot of the </u><u>wall </u>

we will use tan function because we are given opposite and angle

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$\quad \tan( \theta) = \dfrac{opp} {adj}$

let adjacent be BC

$\boxed{ \red{ \boxed{accoding \: to \: the \: question : }}}$

$\quad \: \tan( {60}^{ \circ} ) = \dfrac{6}{BC}$

we will use a little bit algebra to figure out BC

$\sf substitute \: the \: value \: of \: \tan( {60}^{ \circ} ) \: i.e \: \sqrt{3} : \\ \sqrt{3} = \frac{BC}{6}$
$\sf cross \: multiplication : \\ \therefore \: BC = 6\sqrt{3} \: or \: 10.4$

$\text{And we are done!}$

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3 years ago

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How do reference angles work and how do you find them?

andre [41]

A 200-degree angle is between 180 and 270 degrees, so the terminal side is in QIII.

Do the operation indicated for that quadrant. Subtract 180 degrees from the angle, which is 200 degrees.

You find that 200 – 180 = 20, so the reference angle is 20 degrees.

hope this helped!

o(*￣▽￣*)ブ

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3 years ago

Solve for x.<br> A. 2<br> B. 5<br> C. 0<br> D. 7

Agata [3.3K]

Answer:

We know that the angle which lineer and divided by |AB| equal to 130°

Step-by-step explanation:

if 130° look at the 2x+260 we can say that 2x+260=260° so X equal to Zero (0)

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Leni [432]

Answer:

First paper : third choice

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Step-by-step explanation:

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