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aliya0001 [1]
2 years ago
10

Solve for x in the equation 2x2-5x+1 -3. 29 41 o xtv O O o x + V47

Mathematics
1 answer:
Shkiper50 [21]2 years ago
8 0

Answer: B.

Step-by-step explanation: 2x² + x - 6x - 3

= 2x² - 5x - 3

Tell me if you get the answer right.

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Classify each of the following as rational or irrational:
Gemiola [76]

Answer:

Rational:-5, 2/3, 0.5, sqrt 16

Irrational: sqrt 11, pi

Step-by-step explanation:

A rational number is a number which can be represented as a ratio or fraction and whose decimal is terminating or repeating. This includes all whole numbers positive and negative too.

Ex. -5, 2/3, 0.5, sqrt 16

An irrational number is a number that CANNOT be represented as a ratio or fraction and whose decimal is NOT terminating or repeating. These often include square roots and numbers like pi.

Ex. sqrt 11, pi

7 0
3 years ago
Consider f (x) = StartRoot x squared minus 1 EndRoot and g (x) = StartRoot x squared + 1 EndRoot. What value(s) of x would make
dalvyx [7]

Answer:

Any value of x

<em></em>

Step-by-step explanation:

Given

f(x) = \sqrt{x^2 - 1}

g(x) = \sqrt{x^2 + 1}

Required

What value of x is  f(g(x)) = g(f(x))

Solving for f(g(x))

f(x) = \sqrt{x^2 - 1}

f(g(x)) = \sqrt{(\sqrt{x^2 + 1})^2 - 1}

Solve the inner square

f(g(x)) = \sqrt{(x^2 + 1 - 1}

f(g(x)) = \sqrt{x^2 } }

f(g(x)) = x

Solving g(f(x))

g(x) = \sqrt{x^2 + 1}

g(f(x)) = \sqrt{(\sqrt{x^2 - 1})^2 + 1}

g(f(x)) = \sqrt{x^2 - 1 + 1}

g(f(x)) = \sqrt{x^2 }

g(f(x)) = x

Equate f(g(x)) and g(f(x))

f(g(x)) = g(f(x))

x = x

<em>This implies that </em>f(g(x)) = g(f(x))<em> at any value of x</em>

8 0
4 years ago
Number 41 please <br> I need it
olga nikolaevna [1]

Answer:

A. 20, 10 and 5

Step-by-step explanation:

Because 5 x 2 = 10, 10 x 2 = 20, 20 + 10 + 5 = 35.

3 0
3 years ago
Read 2 more answers
Can someone please help me
nalin [4]

Answer:

I believe the answer is $24.50 for the adult tickets.

Step-by-step explanation:

104.5 minus 55.5 which is 18.5 times three gives you 49 and that divided by two gives you 24.5

7 0
3 years ago
Simplificar:<br> 35abc<br> 49bc
Vladimir79 [104]
35 bc I think because 49 bc is not
6 0
3 years ago
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