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tamaranim1 [39]
3 years ago
10

If x2 + mx + m is a perfect-square trinomial, which equation must be true?

Mathematics
2 answers:
Burka [1]3 years ago
8 0

Answer:

B. x2 + mx + m = (x + 1)2

Volgvan3 years ago
7 0
Your answer is x² + 2x + 1
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Solve the system of equations. Type in all points of intersection for the two functions and round to the nearest tenth if necess
Veseljchak [2.6K]

The points of intersection for the two functions and round to the nearest tenth are (0.5, 1.4) and (4.85, -0.3)

<h3>System of equations</h3>

Given the following function

f(x) = - 0.5x + 2

g(x) = x^3 - 5x^2 + 3

The point of intersection is the point where f(x) = g(x)

x^3 - 5x^2 + 3 = - 0.5x + 2

x^3 - 5x^2 + 3 + 0.5x - 2 = 0

x^3 - 5x^2 + 0.5x + 1 = 0

Factorize and determine the value of x

x = 0.53 and 4.85

If x = 0.53

f(0.53) = -0.5(0.53) + 2

f(0.53) = -0.265 + 2

f(0.53) = 1.375

If x = 4.85

f(4.85) = -0.5(4.85) + 2

f(4.85) = -2.425 + 2

f(4.85) = -0.245

Hence the points of intersection for the two functions and round to the nearest tenth are (0.5, 1.4) and (4.85, -0.3)

Learn more on functions here: brainly.com/question/10439235

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3 0
2 years ago
The price of a video game was reduced from $65.00 to $45.00
77julia77 [94]
First, find the difference between the original price and the reduced price;

65 - 45 = $20 difference

Then, divide the difference by the original amount;

20/65 ≈ 0.3077

Then, multiply this by 100 to convert the decimal into a percentage;

0.3077 * 100 = 30.77%

The percent of change would be about 30.77%
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3 years ago
Four students have summer jobs. The table shows how much each student earns after working a certain number of hours. Which stude
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Answer:

Step-by-step explanation:

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3 years ago
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Use the Distributive Property to rewrite the algebraic expression.
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Answer:

7x+14

Step-by-step explanation:

7 times x = 7x

7 times 2 = 14

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2 years ago
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Again, please help? I’ll help u with ur work too :)
yan [13]

Answer:B

Step-by-step explanation:Divide then add.

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3 years ago
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