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kondor19780726 [428]
3 years ago
13

4+3(2r+2s)+3r Simplify this expression

Mathematics
1 answer:
Ipatiy [6.2K]3 years ago
3 0
Hello!

First you can distribute the 3

4 + 6r + 6s + 3r

Then you combine like terms

4 + 9r + 6s

The answer is 9r + 6s + 4

Hope this helps!
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sp2606 [1]
1,129.872 to the nearest hundred is 1,100
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Identify the x- and y- intercept of the function f(x)=2x^2+5x-3
ycow [4]
0 = 2x^2 + 5x -3
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Simplify to using laws of exponents<br><br> (-2)^2(-2)^5
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Which answer choice is a solution to the inequality 1.5x + 3.75≥5.5
djyliett [7]

Answer:

x \geq \frac{7}{6}

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Step-by-step explanation:

1.5x + 3.75\geq 5.5

Solve the inequality for x

Subtract 3.75 from both sides

1.5x + 3.75\geq 5.5

1.5x \geq 1.75

Now divide both sides by 1.5

x \geq \frac{1.75}{1.5}

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1 Find the value of C to that the function probability density function defined as follow, also calculate the man and variance /
Viefleur [7K]

Answer:

c = \frac{1}{12}

The mean of the distribution is 0.25.

The variance of the distribution is of 0.6875.

Step-by-step explanation:

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For it to be a probability function, the sum of the probabilities must be 1. The probabilities are 3c, 3c and 6c, so:

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Sum of each outcome multiplied by its probability. So

E(X) = -1(0.25) + 0(0.25) + 1(0.5) = -0.25 + 0.5 = 0.25

The mean of the distribution is 0.25.

Variance:

Sum of the difference squared between each value and the mean, multiplied by its probability. So

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The variance of the distribution is of 0.6875.

4 0
3 years ago
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