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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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1. 7x = -x + 24<br> Solve for the variable
dedylja [7]
7x = -x + 24
+x. +x
8x = 24
X = 3
6 0
3 years ago
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If the measure of angle ACB is 50 degrees, what is the measure of angle AOB
kodGreya [7K]

The answer is 100 degree

8 0
3 years ago
After how many seconds is the height 68 feet? When the equation is h=-16t2+64t+8
Rudiy27
<span>68=-16t2+64t+8
16t2-64t+60=0

4t2-16t+15=0
(2t-5)(2t-3)=0
t=5/2 or 3/2
The object is at 68 feet after 3/2 secs, and returns to 68 feet after another second..</span>
5 0
3 years ago
Find the perimeter of a rectangular strip of board is 3.28m long and 7.5m
OLEGan [10]

Answer:

21.56 m

Step-by-step explanation:

2(3.28) + 2(7.5)

(twos represent the sides)

6.56 + 15

= 21.56 m

8 0
3 years ago
A park district has 45 pine trees and 30 oak trees to be planted. They are separating the trees for different areas. They want e
Lady_Fox [76]

Answer:

greatest number of areas that can be created=5

Step-by-step explanation:

given data

Number of pine trees = 45

Number of oak trees = 30

solution

we want area have same number of both trees

so we get here greatest number of area

we find here  greatest common factor of 45 and 30

so Prime factorization of 45 and 30 are

45 = 3 × 3 ×  5

30 = 2 × 3 ×  5

as here GCF = 5

so here greatest number of areas that can be created=5

6 0
3 years ago
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