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dedylja [7]
3 years ago
5

How do i write a polynomial functions that has roots 3 and 7

Mathematics
1 answer:
Marta_Voda [28]3 years ago
5 0

Step-by-step explanation:

x^2 - (a+b)x + ab = 0

here, a = 3 and b = 7

hence,

x^2 - (10x) + 21 = 0

lastly , the quadratic equation is

x^2 - 10x + 21 = 0

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3 years ago
3). What is the area of a rectangular window measuring 36 inches across 25 points
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To find the area of a rectangle, just multiply the dimensions.

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6 0
3 years ago
Devon is asked to draw a triangle with the following specifications:
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dalvyx [7]

Answer:

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7 0
3 years ago
1. Kyle has a baseball game after school. He drives 6 miles due west from his home to school. After school, he drives 5 miles du
sweet-ann [11.9K]

Answer:

D. 7.8 miles.

Step-by-step explanation:

So, to solve this, you need to use the Pythagorean theorem to find the distance from the baseball field to his home. You know two of the sides of the triangle formed, 6 and 5. The Pythagorean theorem is a² + b² = c². In this case, it would be 6² + 5² = c². If you solve this, you would find that c is 7.81024967591. Just round it to the nearest tenth like instructed. This would get you 7.8 as the answer.

Extra work just in case:

6² + 5² = c²

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61 = c²

\sqrt{61} = \sqrt{c^{2} }

7.8 ≈ c

Visual just in case:

8 0
3 years ago
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