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2 years ago

Can anyone help me plzzz??!

Mathematics

1 answer:

Roman55 [17]2 years ago

4 0

Answer:

X=1

Step-by-step explanation:

It’s 2 secant lines on a circle.

https://www.mathplanet.com/education/geometry/circles/advanced-information-about-circles

Look at that website. The part says that (ab*ad)=(ac*ae)

Doing that, we get

9*(9+11x)=10(10+8x)

81+99x=100+80x

19x=19

X=1

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Racionalize o denominador da equação abaixo:<br> 5 + 3 ²√5 / ²√5

GrogVix [38]

I hope this helps

$\cfrac{5+3 \sqrt{5} }{ \sqrt{5} } =\cfrac{(5+3 \sqrt{5}) \sqrt{5} }{ \sqrt{5}* \sqrt{5} }= \cfrac{5 \sqrt{5}+15 }{5} = \cfrac{5 (\sqrt{5}+3) }{5} = \sqrt{5}+3$

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3 years ago

X+2y=-1 and 4x-4y=20 solve by substitution

Illusion [34]

To do this problem you would first need to factor out a variable, which in this case I would want to do the first equation because it is isolated. Now the equations would look like this:

x = -2y - 1

4x - 4y = 20

Since we know that x is now equal to -2y - 1 we can plug it in to the x value in the second equation:

4 (-2y -1) - 4y = 20

-8y -4 - 4y

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-12y = 24

y = -2

Now that we know the y value plug the y value to one equation to find the x, I will be using the first equation

x + 2(-2) = -1

x - 4 = -1

x = 3

Solutions:

y = -2

x = 3

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3 years ago

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dedylja [7]

Answer:

Step-by-step explanation:

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3 years ago

A pattern has 12 red squares to every 84 blue circles. What is the ratio of red squares to bluecircles?Saleet

victus00 [196]

A pattern has 12 red squares to every 84 blue circles

The ratio is shown below;

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An experiment is performed where a 6-sided die is rolled and then a 3-color spinner is spun. The possible outcomes for each even

Galina-37 [17]

It should be noted that the sample space for the experiment is {1R, 1B, 1Y, 2R, 2B, 2Y, 3R, 3B, 3Y, 4R, 4B. 4Y. 5R, 5B, 5Y, 6R, 6B, 6Y}

<h3>What is a sample space?</h3>

A sample space is a set of potential results from a random experiment. The letter "S" is used to denote the sample space. Events are the subset of possible experiment results. Depending on the experiment, a sample area may contain a variety of outcomes.

Total number of outcomes in this experiment = 6 × 3 = 18

Hence, the sample space will be:

{1R, 1B, 1Y, 2R, 2B, 2Y, 3R, 3B, 3Y, 4R, 4B. 4Y. 5R, 5B, 5Y, 6R, 6B, 6Y}

Learn more about sample space on:

brainly.com/question/10558496

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1 year ago