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Yuri [45]
3 years ago
7

How can i find the probabilities in questions like these (there are two different probabilities???)

Mathematics
1 answer:
Nutka1998 [239]3 years ago
4 0
Find the probability of picking a red marble. This would be 12 out of 20. The, take 1 away from the denominator because you already picked a marble. So then find the probability of picking white marble, which is 8 out of 19. The multiply them to get 84 out of 380
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Find the radius of a circle given that the area is three times its circumference
lbvjy [14]

Answer:

Radius of the circle = 6 units

Step-by-step explanation:

Let the radius of the circle be r

According to the given condition:

Area of the circle = 3 times the circumference of the circle

\therefore \pi r^2 =3\times 2\pi r\\\therefore r^2 = \frac{3\times 2\pi r}{\pi}\\\therefore r^2 = 3\times 2r\\\therefore r = 6\: units\\

5 0
3 years ago
If the side length of square ABCD is four times the side length of square PQRS, which statement is true?
lyudmila [28]

Answer:

i think the answer is A

Step-by-step explanation:

Because it says four times and 4 times 4 =16

sorry tried my best(don't write this part down)lol

3 0
3 years ago
The segments shown below could form a triangle. 4,3,6 PLZ HELP ASAP
Rzqust [24]

Answer:

Option A. True

Step-by-step explanation:

we know that

<u>The Triangle Inequality Theorem</u>, states that the sum of the lengths of any two sides of a triangle is greater than the length of the third side

we have

4,3 and 6

Applying the triangle inequality theorem

case 1) 4+3 > 6 -----> is true

case 2) 3+6 > 4 ----> is true

therefore

The given segments could form a triangle

Is true

6 0
3 years ago
PLZ HELP I WILL GIVE BRAINLIST
Basile [38]

Answer:  instead of X put 5 and instead of y put 2

5+6(2)

5+12= 17

6 0
3 years ago
Read 2 more answers
Find the slope of the line below . Enter your answer as a fraction or decimal. Use a slash mark ( / ) as the fraction bar if nec
Ymorist [56]

Answer:

5

Step-by-step explanation:

We can find the slope of a line given two points by using the following formula

m = ( y2-y1)/(x2-x1)

    = (4- -6)/(-2 - -4)

     = ( 4+6)/(-2+4)

     = 10/2

     = 5

4 0
3 years ago
Read 2 more answers
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