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Tems11 [23]
3 years ago
15

The difference of the square of a number and 24 is equal to 5 times that number. Find the negative solution.

Mathematics
1 answer:
vampirchik [111]3 years ago
8 0

Answer:

the "negative solution" is -3

Step-by-step explanation:

Represent the number by n.

Then n^2 - 24 = 5n

We rewrite this in standard quadratic form:

n^2 - 5n - 24 = 0

This factors as follows;  (n + 3)(n - 8) = 0

The roots are n = -3 and n = 8.  Thus, the "negative solution" is -3

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Please help! Khan question
Pavel [41]

The value of m ∠ RPS is 64. 7°

<h3>What are collinear angles?</h3>

Collinear angles are angles formed when three or more points lie on the same straight line.

Note that angles on a straight line sum up to 180 degrees.

From the diagram given, we can see that the angles are collinear angles and thus sum up to 180 degrees;

  • m ∠QPS = 88°
  • m ∠ RPS = 5x + 34°
  • m ∠ QPR = 8x + 15°

m ∠QPS + m ∠ RPS + m ∠ QPR = 180°

88° + 5x + 34° + 8x + 15° = 180

collect like terms

5x + 8x = 180 - 137

Add like terms

13x = 43

Make 'x' the subject of formula

x = 43/ 7

x = 6. 14

m ∠ RPS = 5x + 34 = 5 ( 6. 14) + 34 = 30. 7 + 34 = 64. 7°

Thus, the value of m ∠ RPS is 64. 7°

Learn more about collinear points here:

brainly.com/question/3307641

#SPJ1

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