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alexandr402 [8]
3 years ago
13

4 - 6x < 2(2x + 3) Cómo resolver esta ecuación ?

Mathematics
1 answer:
laiz [17]3 years ago
6 0

Answer:

x>-\frac{1}{5}

Step-by-step explanation:

This is an inequality ("<" -- less than sign). We can solve this as an equation solving process.

Remember the distributive property:

a(b+c) = ab + ac

This is important for right side of the equation.

Let's solve:

4-6x

So x is greater than -1/5. we can write:

x>-\frac{1}{5}

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Answer:

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Mildred has seven grades on her report card. The overall average of these grades is 77%. After looking more closely at her repor
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Answer:

86

Step-by-step explanation:

Firstly,

Average = Sum/Number of Numbers

Since 7 grades' average is 77, so we can say:

77 = Sum/7

Hence, Sum = 77 * 7 = 539

Now,

81 - 18 = 63 [63 marks were recorded incorrectly. actual sum would be 63 more]

So,

Actual Sum should be 539 + 63 = 602

Actual Average = 602 / 7 = 86

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If angle 1 &amp; 2 are complementary angles, they add up to 90 degrees.
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Answer:

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Step-by-step explanation:

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3 years ago
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7 0
3 years ago
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Let f(x) = cxe−x2 if x ≥ 0 and f(x) = 0 if x &lt; 0. For what value of c is f a probability density function? for that value of
Yuliya22 [10]

The value of c such that the function f is a probability density function is 2

<h3>How to determine the value of c?</h3>

The density function is given as:

f(x) = cxe^(−x^2) if x ≥ 0

f(x) = 0 if x < 0.

We start by integrating the function f(x)

∫f(x) = 1

This gives

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Next, we integrate the function using a graphing calculator.

From the graphing calculator, we have:

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Evaluate the sum

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Evaluate the product

c/2 = 1

Multiply both sides of the equation by 2

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Read more about probability density function at

brainly.com/question/15714810

#SPJ1

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