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scoray [572]
3 years ago
11

Expand and simplify 5(2a – c) + 4(3a + 2c)

Mathematics
2 answers:
SIZIF [17.4K]3 years ago
7 0
Uhhhhhhhhhhhhhhhhhhhuhhhhhhhhhhhhhh

klio [65]3 years ago
3 0

Answer:

22a+3c

Step-by-step explanation:

Answer:

22a + 3c

Step-by-step explanation:

Let's simplify step-by-step.

5(2a−c)+4(3a+2c)

Distribute:

=(5)(2a)+(5)(−c)+(4)(3a)+(4)(2c)

=10a+−5c+12a+8c

Combine Like Terms:

=10a+−5c+12a+8c

=(10a+12a)+(−5c+8c)

=22a+3c

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tia_tia [17]
Answer: The answer is the first choice.

Explanation:

Because you must find the sin of the x values in the table.

Sin(7pi/6) = -1/2

Sin(5pi/4) = -sqrt 2/2

Sin(4pi/3) = -sqrt 3/2
4 0
3 years ago
if any one can help me that would be awesome 1. − 8 = 5 b − 3 b 2. k − 8 + 6 k = 20 3. 723. 4. 6 ( 3 + 3 x ) = 72 364. 5 ( m + 4
Morgarella [4.7K]

Answer:

1)b=-4

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Step-by-step explanation:

5 0
3 years ago
Find the inverse function y=-5x+20
Nezavi [6.7K]

Answer:

y= \frac{-1}{5} x +4

Step-by-step explanation:

We can find the inverse function of this excercise, isolating X and then changing the variables.

y=-5x+20\\y-20=-5x\\\frac{y-20}{-5} =x\\

\frac{y}{-5}-\frac{20}{-5}  = x\\\frac{-1}{5}y+\frac{20}{5} =x\\ \frac{-1}{5}y+4 =x

And now we change the variables and we get the inverse function:

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7 0
3 years ago
Solve 12x-5>-2 please
Stells [14]

Answer:

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Step-by-step explanation:

12x - 5 >  - 2

Lets add +5 in both the sides.

=  > 12x - 5 + 5 >  - 2 + 5

=  > 12x > 3

Now lets divide 12 on both the sides.

=  >  \frac{12x}{12}  >  \frac{3}{12}

=  > x >  \frac{1}{4}

8 0
3 years ago
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wariber [46]
It’s the bottom left answer because the angles are opposite of each other. They are also congruent. I hope this helps!
8 0
3 years ago
Read 2 more answers
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