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kotykmax [81]
3 years ago
9

There is a bag with only red marbles and blue marbles. The probability of randomly choosing a red marble is 2 9 . There are 45 m

arbles in total in the bag and each is equally likely to be chosen. Work out how many red marbles there must be
Mathematics
1 answer:
pogonyaev3 years ago
7 0

Answer:

10 red marbles

Step-by-step explanation:

Total= 45 marbles

Probability of red= 2/9

Number of red= 45*2/9= 10

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Part 2 of 3
dlinn [17]

Considering that point S splits segment RT, we have that:

a) The value of y is of y = 4.

b) The lengths are: RS = 29, ST = 19.

<h3>How to find the value of variable y?</h3>

Point S splits segment RT into two parts, hence the length of segment RT can be given by the following equation:

RT = RS + ST

The measures are given as follows:

  • RS = 6y + 5.
  • ST = 3y + 7.
  • RT = 48.

Hence we can solve the equation for y, as follows:

RT = RS + ST

6y + 5 + 3y + 7 = 48.

9y = 36.

y = 4.

<h3>What are the lengths of segments RS and ST?</h3>

Considering that y = 4, we have that:

  • RS = 6y + 5 = 6(4) + 5 = 29.
  • ST = 3y + 7 = 3(4) + 7 = 19.

A similar problem, in which a point splits a segment, is given at brainly.com/question/4450896

#SPJ1

3 0
1 year ago
Solve for DG. Show all work
Arlecino [84]

32/40 = 24/dg

32dg = 40 x 24

32dg = 960

dg = 960/32

dg = 30

Answer: DG = 30

5 0
2 years ago
Read 2 more answers
What is the ratio of 76,000 and 100,000
BaLLatris [955]

Answer:

19 : 25

Step-by-step explanation:

8 0
3 years ago
I need help with #11. I've just started Trig today. The back of the book says the answer is 0.75 if that helps.
Elanso [62]
Hi,
BC²=CA²-BA²=13-9=4=2² (Pythagore)

CB/ED=AB/AD (Thalès)
2/2.5=3/AD==>AD=3*2.5/2=7.5/2
DB=DA-AB=7.5/2-3=0.75
I don't know how you call this 2 theorems (sorry)
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3 years ago
What is the function rule for y in the function rule table, y=-4x+3
Dima020 [189]
I do not know. i cannot see a rule'
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3 years ago
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