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marishachu [46]
3 years ago
9

Factor:

Mathematics
1 answer:
Naddik [55]3 years ago
3 0

Answer:

D) (5x - 3) (25x^2+ 15x + 9)

Step-by-step explanation:

125 {x}^{3}  - 27 \\  \\  = ( {5x)}^{3}  -  {(3)}^{3}  \\  \\  = (5x - 3) \{(5x) ^{2}  + 5x \times 3 + ( {3})^{2}  \}\\  \\  = (5x - 3) \{25 {x}^{2}  + 15x  + 9\}

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3 years ago
Is the ordered pair a solution of y ≥ 2x − 5? a. (3, 1) b. (1, −4)
Deffense [45]

Answer:

a. Yes

b. No

Step-by-step explanation:

To find if an ordered pair is a solution to the inequality, substitute its x and y values for the x and y in the inequality and solve. If the equation is true, then it is a solution. If it is not, then it is not a solution.

1) First, substitute the x and y values of (3, 1) into the inequality. So, substitute 3 for x and 1 for y:

1 \geq 2(3)-5\\1\geq 6-5\\1\geq 1

1 is greater than or equal to 1, so (3,1) is a solution.

2) Second, do the same with the point (1, -4). Substitute 1 for x and -4 for y:

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However, -4 is not greater than or equal to -3, thus (1, -4) is not a solution.

4 0
3 years ago
Solve the system: 6x=25y+1 5x−16y=−4
jeka94

Answer:

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Step-by-step explanation: Add the equations in order to solve for the first variable. Plug this value into the other equations in order to solve for the remaining variables.

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Sam has a water bottle that holds 250 milliliters of water when full. He needs to fill a 5-liter water jug for his team. If Sam
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Step-by-step explanation:

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3 years ago
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