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3 years ago

Which of the following gives all of the coefficients of the algebraic expression

Mathematics

2 answers:

Lina20 [59]3 years ago

7 0

<span>Coefficient is a number multiplies a variable

-2x^2; </span>Coefficient is -2
-15x; Coefficient is -15
7xy; Coefficient is 7

Answer is C.
-15, -2, 7

Dmitry [639]3 years ago

5 0

It would be C.

Hope this helped!

:)

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Find the domain of the graphed function.

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The answer is C........

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3 years ago

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Someone please let me know the answer

erastova [34]

Answer:

The answer is 30°

Step-by-step explanation:

$when \: \: \sqrt{3} \sin( \alpha ) - \cos( \alpha ) = 0 \\ \sqrt{3} \sin( \alpha ) = \cos( \alpha ) \\ multiply \: by \: \frac{1}{ \sqrt{3} \cos( \alpha ) } \\ then \\ \frac{ \sin( \alpha ) }{ \cos( \alpha ) } = \frac{1}{ \sqrt{3} } \\ \tan( \alpha ) = \frac{1}{ \sqrt{3} } \\ then \: \alpha = 30$

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3 years ago

Mark's dad is three times older than Mark. Mark's sister is 2 years younger than Mark. (3m) The sum of their ages is 48. How old

nataly862011 [7]

Answer:

Age of Mark $=10$ years

Age of Mark's dad $=30$ years

Age of Mark's sister $=8$ years

Step-by-step explanation:

Let age of Mark be $x$ years.

Mark's dad is three times older than Mark

Age of her Mark's dad $=3x$

Mark's sister is 2 years younger than Mark

Age of Mark's sister $=(x-2)$ years

The sum of their ages is 48.

$x+3x+x-2=48\\5x-2=48\\5x=50\\x=10$

Age of Mark $=x=10$ years

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Age of Mark's sister $=x-2=10-2=8$ years

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3 years ago

<img src="https://tex.z-dn.net/?f=.3x%5E2%2Bx%3D.1x" id="TexFormula1" title=".3x^2+x=.1x" alt=".3x^2+x=.1x" align="absmiddle" cl

ra1l [238]

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Step-by-step explanation:

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Hey there! :)

Answer:

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We can eliminate each graph:

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c). This is an absolute value function. This is incorrect.

d). This is a graph of a polynomial. This does not represent an exponential function, which makes it incorrect.

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