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3 years ago

Use a model to solve nine multiplied by four sixths. Leave your answer as an improper fraction.

Mathematics

1 answer:

storchak [24]3 years ago

3 0

All you needed to do was put 9 over one and multiply by 4/6 and you get 36/6

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F(x)=4x-1 G(x)=x+3 Find f(x)+g(x)

mr_godi [17]

Answer:

Answer is 5x+2

Step-by-step explanation:

$Given \: f(x) = 4x - 1 \: \: and \: \\ g(x) = x + 3 \\ f(x) + g(x) = 4x -1 + x + 3 \\ = 5x + 2$

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THANKS FOR GIVING ME THE OPPORTUNITY TO ANSWER YOUR QUESTION. 

8 0

3 years ago

If x^2+1/x^2=3 find the value of x^2/(x^2+1)^2 Express answer as a common fraction. Thanks!!

timama [110]

$x^2+\dfrac1{x^2}=3\implies x^4+1=3x^2\implies x^4-3x^2+1=0$

By the quadratic formula,

$x^2=\dfrac{3\pm\sqrt5}2\implies x^2+1=\dfrac{5\pm\sqrt5}2$

Then

$(x^2+1)^2=\dfrac{25\pm10\sqrt5+5}4=\dfrac{15\pm5\sqrt5}2$

$\implies\dfrac{x^2}{(x^2+1)^2}=\dfrac{\frac{3\pm\sqrt5}2}{\frac{15\pm5\sqrt5}2}=\dfrac{3\pm\sqrt5}{15\pm5\sqrt5}$

Multiply numerator and denominator by the denominator's conjugate:

$\dfrac{3\pm\sqrt5}{15\pm5\sqrt5}\cdot\dfrac{15\mp5\sqrt5}{15\mp5\sqrt5}=\dfrac{45\pm15\sqrt5\mp15\sqrt5-25}{15^2-(5\sqrt5)^2}=\dfrac{20}{100}=\dfrac15$

3 0

3 years ago

Choose the best definition for the term: factor. *

pashok25 [27]

A. One or two or more numbers, algebraic expression, or like that when multiplied together produce a given product.

Hope this helps :)

8 0

3 years ago

2x+3(x-4)=4(2x+3) solving one linear equation form

Art [367]

Answer:

x= -8

Step-by-step explanation:

2x+3x-12=8x+12

5x-12=8x+12

5x-8x=12+12

-3x=24

24/-3

x= -8

4 0

2 years ago

What are the solution of the equation 2|×+7|-3=5

marin [14]

Answer:

x = -3

Step-by-step explanation:

2(x + 7) - 3 = 5 (given)

2x + 14 - 3 = 5 (Distributive Property)

2x + 14 = 8 (Addition Property of Equality)

2x = -6 (Subtraction Property of Equality)

x = -3 (Division Property of Equality)

6 0

3 years ago