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zvonat [6]
3 years ago
5

Escreva uma equação do 2 grau que tenha: a) - 5 e 3 como raízes. b) x, +x, = 17 x, x = 70, sabendo que x, e x, são as raízes. =

= C) 0 e 6 como raizes. d) Duas raízes reais iguais. e) Nenhuma raiz real.
Mathematics
1 answer:
umka21 [38]3 years ago
7 0
Can u translate in English for me
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notsponge [240]

question 3: -2

question 4: 0

Ordered pairs in a graph go in the sequence of (x, y)

6 0
3 years ago
111=13, 113=35, 115=57, 117=?
Elden [556K]
In the pattern, the values are increasing by 22 each time so for the 117th term you take 57 + 22 = 79

So, 117= 79
3 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

__

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

  w(4w -15) = w²

__

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 is 100/8 simplified
KonstantinChe [14]
25/2 because you can reduce by 4.
3 0
3 years ago
Read 2 more answers
John's boss asks him on Friday to work Saturday, he has already worked 40 hours this
padilas [110]

Answer:

$162.64

Step-by-step explanation:

min wage is $20.33 so multiply by 8 and u get 162.64

3 0
3 years ago
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