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Feliz [49]
2 years ago
14

Brainlist please help

Mathematics
1 answer:
Veronika [31]2 years ago
8 0
8•4/1 = 32

Part A: Answer B
Part B: Answer A
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Solve 2x2 + 5x = 12
Delvig [45]

Answer:

A

Step-by-step explanation:

2x² + 5x = 12

2x² + 5x - 12 = 0

x² + 5x - 24 = 0

factors of 24 are 1, 2, 3, 4, 6, 8, 12, 24. the only pair that adds to 5 is 8 and 3

2x² - 3x + 8x - 12 = 0

split the equation and factor

2x² - 3x = 0 ||| 8x - 12 = 0

x(2x - 3) ||| 4(2x - 3)

therefore the pair is (2x - 3)(x + 4)

2x - 3 = 0

2x = 3

x = 3/2

or

x + 4 = 0

x = -4

3 0
2 years ago
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Solve for x 5 x − 9 = 3 x + 3
Musya8 [376]

5x-9 = 3x+3

2x-9 = 3

2x = 12

x= 6

plz mark branliest, hopoe this helps :)

7 0
3 years ago
Write the product in standard form. ( 4 + 7i)( 7 + 7i)
Helen [10]
The answer is a) -21 - 77i
7 0
3 years ago
"Describe and correct the error in the units" plz help!!! This is due tomorrow!!!
Maksim231197 [3]
It equals 81/ft because you add 3 feet +3 feet because 9 yards are equal to 3 feet
7 0
3 years ago
Yoku is putting on sunscreen. He uses
aleksley [76]
For this case we can make the following rule of three:
 2 ml -------------> 50cm ^ 2
 c -----------------> 325 cm ^ 2
 From here, we clear the value of c.
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 Answer:
 
I need 13 milliliters of sunscreen to cover his skin.
4 0
3 years ago
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