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Andrews [41]
3 years ago
12

Factor the quadratic equation x2 – 19x + 84 = 0 and find the zeros of the function.

Mathematics
1 answer:
Stells [14]3 years ago
7 0

x-12)=0

x-12+12=0+12

x=12

Solve:

(x-7) = 0

x-7+7 = 0+7

x=7

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What is the oppisite of 0.7?
sergey [27]

Answer: negative 0.7

Step-by-step explanation:because you are looking for the opposite if you make a number line

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3 years ago
SO<br> Determine the values of<br> a, b, and c for<br> the quadratic equation:<br> 4x2 - 8x = 3
Schach [20]
I believe it’s

a = 4
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6 0
3 years ago
A rectangle and a square have the same area. a. The width of the rectangle is w inches. The length of the rectangle is 15 inches
harkovskaia [24]

9514 1404 393

Answer:

  a) w(4w-15)

  b) w²

  c) w(4w -15) = w²

  d) w = 5

  e) 5 by 5

Step-by-step explanation:

a) If w is the width, and the length is 15 less than 4 times the width, then the length is 4w-15. The area is the product of length and width.

  A = w(4w -15)

__

b) If w is the side length, the area of the square is (also) the product of length and width:

  A = w²

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c) Equating the expressions for area, we have ...

  w(4w -15) = w²

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d) we can subtract the right side to get ...

  4w² -15w -w² = 0

  3w(w -5) = 0

This has solutions w=0 and w=5. Only the positive solution is sensible in this problem.

The side length of the square is 5 units.

__

e) The rectangle is 5 units wide, and 4(5)-15 = 5 units long.

The rectangle and square have the same width and the same area, so the rectangle must be a square.

4 0
3 years ago
What are the coordinates of point P?
Nadusha1986 [10]

Answer:

(-4,3)

Step-by-step explanation:

hope this helps :)

6 0
2 years ago
Jami jogged 1/3 of a mile in 1/6 of an hour. What was her speed in miles per hour?
alexandr1967 [171]

there are 6  1/6 per hour

multiply 1/3 by 6

1/3 * 6 = 6/3 = 2 miles per hour

6 0
3 years ago
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