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WINSTONCH [101]
3 years ago
5

Expand and simplify 4(3a - 2b) + 2(3a + 5b)​

Mathematics
2 answers:
lions [1.4K]3 years ago
7 0

Answer:

18a+2b

Step-by-step explanation:

sergeinik [125]3 years ago
3 0

Answer:

18 a + 2b

Step-by-step explanation:

4(3a - 2b) + 2(3a + 5b)​

12a-8b+6a+10b

18 a + 2b

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(x+3)^2=4
GalinKa [24]

Answer:

x = -1, -5

Step-by-step explanation:

{(x + 3)}^{2}  = 4 \\  =  >  {x}^{2}  + 2 \times x \times 3 +  {3}^{2}  = 4 \\  =  >  {x}^{2}  + 6x + 9 = 4 \\  =  >  {x}^{2}  + 6x = 4 - 9 \\  =  >  {x}^{2}  + 6x =  - 5 \\  =  >  {x}^{2}  + 6x  + 5 = 0 \\  =  >  {x}^{2}  + 5x + x + 5 = 0 \\  =  > x(x + 5) + 1(x + 5) = 0 \\  =  > (x + 1)(x + 5) \\  =  > x =  - 1 \:  \: or \:  \:  - 5

Hope it helps.

Don't forget to click the "Brainliest" button if you like my answer.

6 0
2 years ago
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Marci mailed nine letters at the post office. Each letter weighed 3.5 ounces. What was the total weight of the letters
oee [108]

all the letters weighed 31.5 ounces.

8 0
3 years ago
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Two skaters are racing towards a finish line.The first skater has 40 meter lead and is traveling at a rate of 14 meters per seco
Fynjy0 [20]
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8 0
3 years ago
Couldn't do this one help needed
Paladinen [302]

Answer:

shown below.

Step-by-step explanation:

v = 150 since 180 - 30

for w we need 2y and x. the base angles of the triangle are 30 and 50 therefore x = 100. 2y = 30 because corresponding angles. ergo, w = 50

x = 100

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5 0
2 years ago
Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the corre
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The answer is:
4x^2 - 6x + 2
6 0
3 years ago
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