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alexgriva [62]
2 years ago
10

There are 30 total cards. 10 are yellow. What are the chances that you pull 2 yellow cards.

Mathematics
2 answers:
allsm [11]2 years ago
5 0
About a 6.7% chance.
Hoochie [10]2 years ago
4 0

Answer: please read the steps

Step-by-step explanation:

To calculate percentage the odds of pulling 2 yellow cards out of 30 is 2/30. now we turn the denominater into 100

100/30= 3.33...

3.33*2=6.66.. (round to nearest tenth)

now you have 6.7/100 which is

6.7% chance

(if you need more precise number its 6.667%)

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What is the height of the prism if there is 30 square centimeters and the volume is 90 cubic centimeters
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Answer:

the height of the prism =3cm

Step-by-step explanation:

From the question :there is 30 square centimeters, we can deduce this is the area due to the unit

the volume is 90 cubic centimeters

Volume of prism = Area of base × height

We are to determine the height

90cm³ = 30cm² × height

divide both sides by 30cm²

height = 90cm³/30cm²

height = 3cm

Therefore the height of the prism is 3centimeters

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Step-by-step explanation:

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Read 2 more answers
Please assist me<br><br>NO LINKS!!<br>​
Nana76 [90]

Answer:

See below:

Step-by-step explanation:

Hello! My name is Galaxy and I will be helping you today, I hope you are having a nice day!

We can solve this in two steps, Comprehension and Solving. I'll go ahead and start with Comprehension.

If you have any questions feel free to ask away!!

Comprehension

We know according to the laws of geometry that all angles in a triangle add up to 180 degrees.

We also know that in an isosceles angle, the base angles are equation to each other.

Now that we know what we need to know, we can setup an equation.

2x-6+(2x)=180

We can do this because first of all, we know that 2x-6 is one of the angles and as per the base angles of an isosceles triangle we know that both base angles are x, therefore we can add 2x to get 180 degrees.

I'll start solving now.

Solving

We can solve this by using the equation we made above and solving it with algebra.

2x-6+2x=180\\4x-6=180\\4x=186\\x=46.5

We know that x is equal to 46.5 degrees. We can check that by inputting it into the equation.

2(46.5)-6+2(46.5)=180?\\4(46.5)=186?\\46.5=46.5

We've proven that our answer is correct by double checking,

Therefore the answer is 46.5!

Cheers!

4 0
3 years ago
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