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mariarad [96]
3 years ago
11

A#9-5

Mathematics
1 answer:
In-s [12.5K]3 years ago
7 0
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If f(x) = 4x - 20, what is f(4)?<br> O A. -4<br> оо<br> O B. -12<br> O c. 4<br> O D. 16
4vir4ik [10]

Answer:

A. - 4

Step-by-step explanation:

f(4) = 4(4) - 20 = 16 - 20 = - 4

7 0
3 years ago
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Please help <br> Chose of the problems a or b<br><br> Thank you!!
Strike441 [17]

Answer:

a. x = 13m, b. x = 12cm

Step-by-step explanation:

a. x² = 12² + 5² (Pyth. theorem)

x = 13 m

b. 15² = 9² + x² (Pyth. theorem)

x = 12 cm

5 0
3 years ago
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Combine like terms to create an equivalent expression. -6/5-2/3v+4/15+1/3v
True [87]

Answer:

Step-by-step explanation:

5 0
3 years ago
EXPAND:
Sladkaya [172]

Answer:

\displaystyle  A) 5\log( {x}^{}   )  +   2 \log( {y}^{} )

Step-by-step explanation:

we would like to expand the following logarithmic expression:

\displaystyle   \log( {x}^{5}  {y}^{2} )

remember the multiplication logarithmic indentity given by:

\displaystyle \rm  \log( \alpha  \times  \beta ) \iff  \log( \alpha ) +  \log( \beta )

so our given expression should be

\displaystyle   \log( {x}^{5}   )  +    \log( {y}^{2} )

by exponent logarithmic property we acquire:

\displaystyle   5\log( {x}^{}   )  +   2 \log( {y}^{} )

hence, our answer is A

5 0
3 years ago
Solve the system linear equations, using Gaussian Elimination
otez555 [7]
Just look it up on the web that will help a lot
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