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34kurt
3 years ago
7

In a bag there are 13 red marbles, 15 green marbles and 32 blue

Mathematics
2 answers:
alekssr [168]3 years ago
6 0

Answer:

3/4

Step-by-step explanation:

Total sample space(S)=60

Probability of red marbles(PR)= 13/60

Probability of green marbles(PG)=15/60

Probability of blue marbles(PB)=32/60

Solution,

Probability of not getting green marble(P-G)=1-15/60

                                                                            =1-1/4

                                                                            = 3/4

Vika [28.1K]3 years ago
4 0

Answer:

45:15 turned into a fraction =1/3

Step-by-step explanation:

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Five tickets are selected at random, and those five people win a gift card. If 231 tickets were purchased for the fundraiser, ho
Arada [10]

Answer:

46.2

Step-by-step explanation:

If you divide 231 by 5 then you get that answer.

7 0
3 years ago
In a sample of 800 U.S.​ adults, 219 think that most celebrities are good role models. Two U.S. adults are selected from this sa
shutvik [7]

Answer:

Step-by-step explanation:

A.

P=(219/800)×(218/799)≈0.0747≈0.075

B.

800-219=581

P=(581/800)×(580/799)≈0.527

c.

P( 1 think role models  and one thinks not role models)+P(both thinks they are role models)=(219/800)×(581/799)+(219/800)×(218/799)=(219×581+219×218)/(800×799)

=[219(581+218)]/(800×799)

=(219×799)/(800×799)

=219/800

=0.27375

=0.274

7 0
4 years ago
Need help can u help me
ivolga24 [154]
Your answer will be H 170
8 0
3 years ago
A furniture store has a sale during which the sale price of a sofa is 1/3 off its original price. The original price
dmitriy555 [2]

Answer:

$694.06

Step-by-step explanation:

OG price= 1,029

discount=.05

sales tax =.065

1/3(og price)=1/3(1029)=343

one third of $1,029 is 343, hence we take off $343 from the orginial price

1029-343= $686--> sales price

.05*salesprice= .05*686=34.3

subtract 5% discount: 686-34.3= $651.71

=find 6.5% tax: .065*651.71= $42.36

add 6.5% tax:  651.81+42.36=694.06

4 0
2 years ago
A rectangle has a length of x + 7 and a width of 2x -3 if its perimeter perimeter is 32 what is the value of 3x
Fittoniya [83]

Answer:  \\ We \:  have  \: an \:  equation:2(x + 7 + 2x - 3) = 32 \\ \Leftrightarrow 2(3x + 4) = 32 \\ \Leftrightarrow 3x + 4 = 16 \\ \Leftrightarrow 3x = 12

5 0
3 years ago
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