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Elodia [21]
3 years ago
11

Simplify 5a – (2a + 6)

Mathematics
2 answers:
Temka [501]3 years ago
3 0

Answer:

Step-by-step explanation:

Add '-2a' to each side of the equation.

5a + -2a = -6 + 2a + -2a

Combine like terms: 5a + -2a = 3a

3a = -6 + 2a + -2a

Combine like terms: 2a + -2a = 0

3a = -6 + 0

3a = -6

Divide each side by '3'.

a = -2

Simplifying

a = -2

sdas [7]3 years ago
3 0

5a -2a -6

3a -6

Step-by-step explanation:

..........................

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Pls help asap adn dont guess :DD
sashaice [31]

Answer:

{ \huge \star} \boxed{ \sqrt{3} \times 7 \sqrt{6}}{ \huge \star}  \\  =  \sqrt{3}  \times 7 \times  \sqrt{2 \times 3}  \\ =  3 \times 7 \times  \sqrt{2}  \\ =  \boxed{ 21 \sqrt{2}}

<h3><u>21√2</u> is the right answer.</h3>
3 0
3 years ago
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lara [203]

Answer:

4 (4m+5n)

Step-by-step explanation:

hope this helps

4 0
3 years ago
How can Kendra determine if the function is actually linear?
pashok25 [27]

Answer:

D. She can check to see if the rate of change between the first two ordered pairs is the same as the rate of change between the first and last ordered pairs.

Step-by-step explanation:

Find the rate of change between first two ordered pairs and the second two ordered pairs:

1. Points (2,4) and (3,9). Rate of change:

\dfrac{y_2-y_1}{x_2-x_1}=\dfrac{9-4}{3-2}=\dfrac{5}{1}=5

2. Points (3,9) and (4,16). Rate of change:

\dfrac{y_2-y_1}{x_2-x_1}=\dfrac{16-9}{4-3}=\dfrac{7}{1}=7

The rate of change for the linear function must the same for each two points on the graph of the function. In this case, the reate of change differs, so this function is not linear and correct option is D.

8 0
3 years ago
Read 2 more answers
Mike observed that 75% of the students of a school liked skating. If 35 students of the school did not like skating, the number
igor_vitrenko [27]
100-75=25% did not like
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75 x 35 divided by 25=105 students 
105
3 0
3 years ago
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SashulF [63]

Answer:

1

Step-by-step explanation:

Anything to the power of 0 equals 1

6 0
3 years ago
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