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fgiga [73]
3 years ago
9

Help me please! No idea

Mathematics
1 answer:
zheka24 [161]3 years ago
7 0

Answer:

40

Step-by-step explanation:

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The length (L) of a rectangle of fixed area varies inversely as the width (W).
Andreyy89

Answer:

6.25

Step-by-step explanation:

If 10ft=8ft

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5 0
2 years ago
4y-14=18. Hahahahahahahaahahaha
Setler [38]

Answer:

4y = 18+14

4y = 32

y = 32/4

y = 8

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3 years ago
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Consider the polynomial f(x) = 5x4+ 3x2+ x + 19. How many complex solutions does the polynomial have?
antiseptic1488 [7]

Answer:

  1. there are 4 complex solutions
  2. 3 real zeros and 2 complex zeros

Step-by-step explanation:

1. Descarte's rule of signs tells you there are 0 positive real roots and 0 or 2 negative real roots. (for positive x, signs are ++++ so have no changes; for negative x, signs are ++-+, so have 2 changes.) A graph shows no real roots.

2. There are 3 sign changes in the given polynomial, so 3 or 1 positive real roots. When the sign of x is changed, there are 2 sign changes, so 0 or 2 negative real roots. A graph shows 2 negative and one positive real root (for a total of 3), so the remaining 2 roots are complex.

5 0
3 years ago
Solve the quadratic equation for x. What is the product when the roots are multiplied? (x + 2)2 = 1
tekilochka [14]

Regroup terms

2(x + 2) = 1

Divided both sides by 2

x + 2 = 1/2

Subtract 2 from both sides

x = 1/2 - 2

Simplify 1/2 - 2 to -3/2

<u>x = -3/2</u>

4 0
3 years ago
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Factor expression 9x + 36y
topjm [15]
9(x+4y) is the answer
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3 years ago
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