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3 years ago

Simplify the expression 4x(2x2 − 7x + 3).

Mathematics

2 answers:

zimovet [89]3 years ago

7 0

4x(2x-1)(x-3) is the simplification

Anit [1.1K]3 years ago

7 0

4x(2x^2 − 7x + 3)

=(4x) (2x^2 + −7x + 3)

=(4x) (2x^2) + (4x) (−7x) + (4x) (3)

= 8x^3 − 28 x 2 + 12x

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B) y = log2 (4" - 4) find the inverse of this equation

GuDViN [60]

Answer:

$y = \frac{1}{4} \times {2}^{x} - 1$

Step-by-step explanation:

Assuming the given logarithmic equation is

$y = \log_{2}( {4}{x } - 4)$

We interchange x and y to get:

$x= \log_{2}( {4}{y} - 4)$

We solve for y now:

${2}^{x} = {4}{y} - 4$

We add 4 to both sides to get;

${2}^{x} + 4 = 4y$

Divide through by 4:

$y = \frac{1}{4} \times {2}^{x} - 1$

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3 years ago

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hichkok12 [17]

Answer:

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1 year ago

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To convert a distance of 12000 feet to miles which ratio could you multiply by?

Luba_88 [7]

Answer:

2.28 miles

Step-by-step explanation:

1 foot = 0.00019miles

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Cross multiply

x = 12000 x 0.00019

x = 2.28 miles

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3 years ago

If 2(x + 3) = x + 10, then x equals what

Rama09 [41]

Answer:

$x=4$

Step-by-step explanation:

To solve this problem you must apply the proccedure shown below:

1. You need to apply the Distributive property on the left member of the equation:

$2(x + 3) = x + 10\\ 2x+6=x+10$

2. Now, you must solve for $x$ , as following:

$2x-x=10-6\\ x=4$

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3 years ago

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3 years ago

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