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2 years ago

Verify commutative property of multiplication and addition 5 4

Mathematics

1 answer:

svetoff [14.1K]2 years ago

5 0

The commutative property of multiplication addition is illustrated below.

<h3>How to illustrate the information?</h3>

The commutative property implies that the changing of orders of the numbers doesn't have a effect on the value.

In this case, 5 × 4 = 20. Also, changing them to 4 × 5 is still 20.

Likewise 2 + 5 as 5 + 2 gives 7.

Learn more about multiplication on:

brainly.com/question/10873737

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The graph of f(x) = is reflected across the y-axis to create the graph of function g. How do the domains of f and g compare? The

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3 years ago

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5 3/4 times 1 3/4 and simplified

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Answer:

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3 years ago

What are the roots of x in -10x2 + 12x − 9 = 0?

hoa [83]

Answer:

$x_1=\frac{3(2+i\sqrt{6})}{10}$

$x_2=\frac{3(2-i\sqrt{6})}{10}$

Step-by-step explanation:

Use the Quadratic formula:

$x=\frac{-b\±\sqrt{b^2-4ac}}{2a}$

You can identify that, in this case:

$a=-10\\b=12\\c=-9$

Now you need to substitute these values into the formula:

$x=\frac{-12\±\sqrt{12^2-4(-10)(-9)}}{2(-10)}$

$x=\frac{-12\±\sqrt{-216}}{-20}$

Remember that:

$i=\sqrt{-1}$

Therefore,rewriting and simplifying, you get:

$x=\frac{-12\±6i\sqrt{6}}{-20}$

$x=\frac{-6(2\±i\sqrt{6})}{-2(10)}$

$x=\frac{3(2\±i\sqrt{6})}{10}$

Then, you get the following roots:

$x_1=\frac{3(2+i\sqrt{6})}{10}$

$x_2=\frac{3(2-i\sqrt{6})}{10}$

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3 years ago

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Answer:

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Step-by-step explanation:

1:5 ratio so 250,000/5=50,000

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3 years ago